Olivia Keiser

Bull World Health Organ 2019 Nov 3;97(11):737-745A. Epub 2019 Sep 3.

FSBI Novosibirsk Tuberculosis Research Institute, Ministry of Health of the Russian Federation, Novosibirsk, Okhotskaya street 81A, 630040, Russian Federation.

PLoS One 2019 14;14(11):e0224837. Epub 2019 Nov 14.

Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.

J Virus Erad 2019 Nov 4;5(4):191-203. Epub 2019 Nov 4.

Institute of Global Health, University of Geneva, Geneva, Switzerland.

PLoS One 2019 12;14(9):e0222138. Epub 2019 Sep 12.

Institute of Global Health, University of Geneva, Geneva, Switzerland.

PLoS One 2019 12;14(9):e0222138. Epub 2019 Sep 12.

Institute of Global Health, University of Geneva, Geneva, Switzerland.

J Int AIDS Soc 2019 Jul;22(7):e25325

Centre for Health Economics, University of York, York, UK.

J Glob Health 2019 Jun;9(1):010404

Institute of Global Health, Faculty of Medicine, University of Geneva, Switzerland.

J Infect Dis 2019 Jun;220(1):91-99

Department of Infectious Diseases, Inselspital, Bern University Hospital, University of Bern, Switzerland.

Trop Med Int Health 2019 Jun 1;24(6):727-735. Epub 2019 Apr 1.

Institute of Global Health, University of Geneva, Geneva, Switzerland.

PLoS One 2019 24;14(6):e0218706. Epub 2019 Jun 24.

Institute of Global Health, University of Geneva, Geneva, Switzerland.

South Afr J HIV Med 2019 27;20(1):885. Epub 2019 Jun 27.

Institute of Global Health, University of Geneva, Geneva, Switzerland.

Clin Infect Dis 2019 Apr 3. Epub 2019 Apr 3.

Institute of Global Health, University of Geneva, Geneva, Switzerland.

J Int AIDS Soc 2019 01;22(1):e25218

Institute for Implementation Science in Population Health, City University of New York, New York, NY, USA.

PLoS One 2018 6;13(6):e0197854. Epub 2018 Jun 6.

Institute of Global Health, University of Geneva, Geneva, Switzerland.

Clin Infect Dis 2018 11;67(11):1643-1652

Institute of Social and Preventive Medicine, University of Bern.

J Virus Erad 2018 Nov 15;4(Suppl 2):47-54. Epub 2018 Nov 15.

Department of Health Behavior and Policy, Virginia Commonwealth University, Richmond VA, USA.

Swiss Med Wkly 2018 11 2;148:w14687. Epub 2018 Dec 2.

Laboratory of Virology, Division of Laboratory Medicine and Division of Infectious Diseases, University of Geneva Hospitals, Switzerland; University of Geneva Medical School, Switzerland.

AIDS 2018 09;32(15):2201-2208

Institute of Global Health, University of Geneva, Geneva, Switzerland.

BMJ Open 2018 05 5;8(5):e020640. Epub 2018 May 5.

Center for Clinical Translational Epidemiology and Comparative Effectiveness Research, Boston University School of Medicine, Boston, Massachusetts, USA.

Open Forum Infect Dis 2018 May 27;5(5):ofy092. Epub 2018 Apr 27.

Institute of Global Health, University of Geneva, Geneva, Switzerland.

Lancet HIV 2018 04 11;5(4):e190-e198. Epub 2018 Mar 11.

Burnet Institute, Melbourne, VIC, Australia; Monash University, Melbourne, VIC, Australia.

BMC Pregnancy Childbirth 2018 04 12;18(1):95. Epub 2018 Apr 12.

Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.

J Int AIDS Soc 2018 04;21(4):e25097

Burnet Institute, Melbourne, VIC, Australia.

Open Forum Infect Dis 2018 Feb 2;5(2):ofy005. Epub 2018 Feb 2.

Institute of Global Health, University of Geneva, Geneva, Switzerl.

J Int AIDS Soc 2018 01;21(1)

Disease Elimination Program, Burnet Institute, Melbourne, Vic., Australia.

Trop Med Int Health 2017 10 10;22(10):1266-1274. Epub 2017 Aug 10.

Institute of Social and Preventive Medicine, Berne University, Berne, Switzerland.

PLoS One 2017 3;12(10):e0185077. Epub 2017 Oct 3.

Burnet Institute, Melbourne VIC, Australia.

J Int AIDS Soc 2017 Sep;20(1):21947

Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland.

AIDS 2017 08;31(13):1859-1866

aInstitute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland bDepartment of Mathematics, University of Bergen, Bergen, Norway cCheckpoint Zurich, Zurich dInstitute of Global Health, University of Geneva, Geneva eDivision of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, Zurich fDivision of Infectious Diseases, University of Geneva, Geneva gDivision of Infectious Diseases and Hospital Epidemiology, University of Basel hBasel Institute for Clinical Epidemiology & Biostatistics, University Hospital Basel, Basel iDivision of Infectious Diseases, Department of Medicine, University Hospital of Lausanne, University of Lausanne, Lausanne, Switzerland jCentre for Infectious Disease Epidemiology and Research (CIDER), University of Cape Town, Cape Town, South Africa. *Nello Blaser, Barbara Bertisch, Olivia Keiser and Matthias Egger contributed equally to the article.

PLoS One 2016 26;11(5):e0155464. Epub 2016 May 26.

Institute of Social and Preventive Medicine, Bern, Switzerland.

Trop Med Int Health 2017 07 8;22(7):839-845. Epub 2017 Jun 8.

Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.

Hepatology 2016 12 19;64(6):1856-1869. Epub 2016 Oct 19.

Department of Infectious Diseases, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.

Clin Infect Dis 2016 11 26;63(9):1227-1235. Epub 2016 Jul 26.

Institute of Social & Preventive Medicine.

AIDS 2016 10;30(16):2545-2550

aCentre for Infectious Disease Epidemiology and Research, University of Cape Town, Cape Town, South Africa bInstitute of Social and Preventive Medicine, University of Bern, Bern, Switzerland cDepartment of Epidemiology, Boston University, Boston dDepartment of Global Health and Development, Boston University, Boston eHealth Economics and Epidemiology Research Office, Department of Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg fAfrica Centre for Health and Population Studies, University of KwaZulu-Natal, Durban gAurum Institute, Johannesburg, South Africa hDivision of Infectious Diseases, Johns Hopkins School of Medicine, Baltimore, Maryland, USA iDivision of Infectious Diseases, Department of Medicine, University of Stellenbosch jTygerberg Academic Hospital, Cape Town, South Africa.

PLoS One 2016 6;11(4):e0151762. Epub 2016 Apr 6.

School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa.

Trop Med Int Health 2016 Aug 14;21(8):1003-1012. Epub 2016 Jun 14.

Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.

J Hepatol 2016 07 26;65(1):26-32. Epub 2016 Feb 26.

Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland.

Lancet HIV 2016 06 18;3(6):e240-1. Epub 2016 Apr 18.

Institute of Social and Preventive Medicine, University of Bern, Bern CH-3012, Switzerland. Electronic address:

Int J Cancer 2016 Apr 20;138(7):1732-40. Epub 2015 Nov 20.

Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland.

Lancet HIV 2016 Apr 9;3(4):e175-82. Epub 2016 Mar 9.

Institute of Social & Preventive Medicine, University of Bern, Bern, Switzerland.

Lancet HIV 2016 Apr 9;3(4):e175-82. Epub 2016 Mar 9.

Institute of Social & Preventive Medicine, University of Bern, Bern, Switzerland.

AIDS 2016 Mar;30(6):953-62

aThe International Union Against Tuberculosis and Lung Disease, Paris, France bLighthouse Trust, Kamuzu Central Hospital, Lilongwe, Malawi cInstitute of Social and Preventive Medicine, University of Bern, Bern, Switzerland dDepartment of HIV and AIDS, Ministry of Health, Lilongwe, Malawi eInternational Training and Education Center for Health, University of Washington, Seattle, Washington, USA fCentre for Infectious Disease Epidemiology and Research (CIDER), School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa.

Lancet HIV 2016 Mar 16;3(3):e132-9. Epub 2016 Feb 16.

University of Bern, Institute of Social and Preventive Medicine, Bern, Switzerland.

BMC Res Notes 2016 Mar 5;9:146. Epub 2016 Mar 5.

Lighthouse Trust, Lilongwe, Malawi.

Epidemics 2016 Mar 20;14:54-61. Epub 2015 Oct 20.

Desmond Tutu HIV Centre, Institute for Infectious Disease & Molecular Medicine, University of Cape Town, South Africa; Department of Medicine, University of Cape Town,, South Africa; Department of Clinical Research, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, UK.

PLoS One 2015 20;10(3):e0119299. Epub 2015 Mar 20.

Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland.

Pediatr Infect Dis J 2016 Jan;35(1):71-7

From the *Department of Preventive Medicine, Universidade Federal do Rio de Janeiro; †Pediatrics Department, Instituto de Puericultura e Pediatria Martagão Gesteira, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; ‡Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland; and §School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa.

Pediatr Infect Dis J 2015 Dec;34(12):1361-4

From the *Centre for Infectious Disease Epidemiology and Research, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa; †HIV/AIDS Department, World Health Organization, Geneva, Switzerland; ‡Tygerberg Academic Hospital, University of Stellenbosch, Stellenbosch, South Africa; §Kheth'Impilo, Cape Town, South Africa; ¶Médecins Sans Frontières, Khayelitsha, South Africa; ‖McCord Hospital, Durban, South Africa; **Hlabisa HIV Program, South Africa; ††Empilweni Services and Research Unit, Rahima Moosa Mother and Child Hospital, University of the Witwatersrand, Johannesburg, South Africa; ‡‡Wits Reproductive Health and HIV Institute, University of Witwatersrand, Johannesburg, South Africa; §§Red Cross War Memorial Children's Hospital, University of Cape Town, Cape Town, South Africa; ¶¶Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa; ‖‖Gugulethu HIV Program, Desmond Tutu HIV Centre, University of Cape Town, Cape Town, South Africa; ***Maternal and Pediatric Infectious Disease Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), Bethesda, Maryland; and †††Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.

J Acquir Immune Defic Syndr 2015 Nov;70(3):e110-9

*Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland; †Kheth'Impilo, Cape Town, South Africa; ‡Centre for Infectious Disease Research in Zambia, Lusaka, Zambia; §Aurum Institute for Health Research, Johannesburg, South Africa; ‖Gugulethu ART Programme and Desmond Tutu HIV Centre, University of Cape Town, Cape Town, South Africa; ¶Division of Infectious Diseases, Department of Medicine, University of Stellenbosch and Tygerberg Academic Hospital, Cape Town, South Africa; #Médecins Sans Frontières, Khayelitsha, Cape Town, South Africa; **Sinikithemba Clinic, McCord Hospital, Durban, South Africa; ††Africa Centre for Health and Population Studies, University of KwaZulu-Natal, Somkhele, South Africa; ‡‡Health Economics and Epidemiology Research Office, University of the Witwatersrand, Johannesburg, South Africa; §§Center for Global Health & Development and Department of Epidemiology, Boston University, Boston, MA; ‖‖Biostatistics and Databases Program, The Kirby Institute, Faculty of Medicine, The University of New South Wales, Sydney, Australia; and ¶¶Centre for Infectious Disease Epidemiology and Research, School of Public Health and Family Medicine, University of Cape Town, South Africa.

Pediatr Infect Dis J 2015 Oct;34(10):e254-9

From the *Institute of Social and Preventive Medicine (ISPM), University of Bern, Switzerland; †School of Public Health and Family Medicine, University of Cape Town, South Africa; ‡Leuven Institute for Research on Information Systems, KU Leuven, Belgium; §Department of Paediatrics and Child Health, Red Cross War Memorial Children's Hospital, University of Cape Town, Cape Town, South Africa; ¶Wits Reproductive Health and HIV Institute (Harriet Shezi Children's Clinic, Chris Hani Baragwanath Hospital, Soweto), University of Witwatersrand, Johannesburg, South Africa; ‖Tygerberg Academic Hospital, University of Stellenbosch, Stellenbosch, South Africa; **Empilweni Services and Research Unit (Rahima Moosa Mother and Child Hospital, Johannesburg) and University of Witwatersrand, Johannesburg, South Africa; ††Africa Centre for Health and Population Studies, University of KwaZulu-Natal, Somkhele, South Africa; ‡‡Médecins Sans Frontières (MSF) South Africa, Khayelitsha, Cape Town, South Africa; §§Sinikithemba Clinic, McCord Hospital, Johannesburg, South Africa; and ¶¶Kheth'Impilo, Cape Town, South Africa.

J Acquir Immune Defic Syndr 2015 Aug;69(5):610-4

*Department of HIV and AIDS, Ministry of Health, Lilongwe, Malawi; †Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland; ‡International Training and Education Centre for Health/Department for Global Health, University of Washington, Seattle, WA; §Dignitas International, Zomba, Malawi; ‖Department of Medicine, College of Medicine, University of Malawi, Blantyre, Malawi; ¶International Training and Education Centre for Health Malawi, Lilongwe, Malawi; #Division of Epidemiology and Biostatistics, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa; and **International Training and Education Center for Health Malawi, Lilongwe, Malawi.

Lancet HIV 2015 Jul 16;2(7):e271-8. Epub 2015 Jun 16.

Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland; Centre for Infectious Disease Epidemiology and Research, University of Cape Town, Cape Town, South Africa. Electronic address:

J Stat Softw 2015 Mar;64(10):1-22

Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.

AIDS 2015 Jan;29(1):101-9

aDivision of Epidemiology, College of Public Health, The Ohio State University, Columbus, Ohio bDepartment of Epidemiology, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA cDepartment of Pediatrics, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa dSchool of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA eSchool of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa fInstitute of Social and Preventive Medicine, University of Bern, Switzerland gTumbi Regional Referral Hospital, Kibaha hMorogoro Regional Hospital, Morogoro, Tanzania iUniversity of New South Wales, The Kirby Institute for Infection and Immunity in Society, Darlinghurst, New South Wales, Australia jChiangrai Prachanukroh Hospital, Chiangrai, Thailand kInstitut de Santé Publique Epidemiologie et Développement, Université Bordeaux lInserm, Centre Inserm U897 'Epidémiologie et Biostatistique', Bordeaux, France mCentre National Hospitalier, Universitaire Hubert K. Maga, Cotonou, Bénin nRTI International, Biostatistics and Epidemiology, Research Triangle Park, North Carolina, USA.

Open Forum Infect Dis 2015 Jan 25;2(1):ofv026. Epub 2015 Mar 25.

Department of Infectious Diseases , Bern University Hospital and University of Bern .

Am J Epidemiol 2014 Dec 15;180(12):1208-12. Epub 2014 Nov 15.

Lancet Glob Health 2014 Dec;2(12):e717-26

Department of Cardiology, Bern University Hospital, Bern, Switzerland. Electronic address:

AIDS 2014 Oct;28(16):2451-60

PLoS Med 2014 Sep 9;11(9):e1001718. Epub 2014 Sep 9.

School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom.

PLoS One 2013 26;8(9):e75761. Epub 2013 Sep 26.

The International Union Against Tuberculosis and Lung Disease, Paris, France ; Lighthouse Trust, Lilongwe, Malawi ; Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.

PLoS One 2013 9;8(12):e81037. Epub 2013 Dec 9.

Red Cross Children's Hospital and School of Child and Adolescent Health, University of Cape Town, Cape Town, South Africa.

Pediatr Infect Dis J 2014 Jun;33(6):608-16

From the *School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa; †School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom; ‡Centre for Infectious Disease Research in Zambia, Lusaka, Zambia; §University of North Carolina, Chapel Hill, NC; ¶Newlands clinic, Harare, Zimbabwe; ‖Red Cross Children's Hospital and School of Child and Adolescent Health, University of Cape Town; **Médecins Sans Frontières (MSF) South Africa and Khayelitsha ART Programme, Cape Town; ††Sinikithemba Clinic, McCord Hospital, Durban; ‡‡Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg; §§Harriet Shezi Children's Clinic, Chris Hani Baragwanath Hospital, Soweto; ¶¶Africa Centre for Health and Population Studies, University of Kwazulu-Natal, Somkhele, South Africa; ‖‖Lighthouse Trust Clinic, Kamuzu Central Hospital, Lilongwe, Malawi and Liverpool School of Tropical Medicine, Liverpool, United Kingdom; ***Tygerberg Academic Hospital, University of Stellenbosch, Stellenbosch; †††Empilweni Services and Research Unit, Rahima Moosa Mother and Child Hospital, and University of the Witwatersrand, Johannesburg; ‡‡‡Gugulethu ART Programme and Desmond Tutu HIV Centre, University of Cape Town, Cape Town, South Africa; and §§§Institute of Social and Preventive Medicine (ISPM), University of Bern, Switzerland.

Am J Epidemiol 2014 Jun 12;179(12):1514-25. Epub 2014 May 12.

Clin Infect Dis 2014 May 27;58(10):1473-80. Epub 2014 Feb 27.

Centre for Infectious Disease Research in Zambia.

J Acquir Immune Defic Syndr 2014 Apr;65(5):e179-86

*Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland; †The International Union Against Tuberculosis and Lung Disease, Paris, France; ‡Lighthouse Trust, Lilongwe, Malawi; §Centre for Infectious Disease Epidemiology and Research, University of Cape Town, Cape Town, South Africa; ‖Department of Infectious Diseases, University Hospital Bern, Bern, Switzerland; ¶Department of Infectious Diseases, University of Dakar, Dakar, Senegal; #International Training and Education Center for Health, University of Washington, Seattle, WA.

AIDS 2014 Apr;28(7):1021-9

aInstitute of Social and Preventive Medicine (ISPM), University of Bern bDepartment of Infectious Diseases, University Hospital Bern, Bern, Switzerland cDepartment of Infectious Diseases, University of Dakar, Dakar, Senegal dSchool of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa.

AIDS 2014 Feb;28(4):589-598

Institute of Social and Preventive Medicine, University of Bern, Switzerland.

J Acquir Immune Defic Syndr 2014 Jan;65(1):e8-16

Lancet Glob Health 2014 Jan 10;2(1):e35-43. Epub 2013 Dec 10.

Department of Infectious Disease Epidemiology, Imperial College London, London, UK. Electronic address:

PLoS Med 2013 Nov 19;10(11):e1001555. Epub 2013 Nov 19.

Centre for Infectious Disease Epidemiology and Research, University of Cape Town, Cape Town, South Africa.

J Int AIDS Soc 2013 Nov 21;16:18616. Epub 2013 Nov 21.

SolidarMed Lesotho, Maseru, Lesotho; University Medical Clinic, Kantonsspital Baselland, Liestal, Switzerland;

PLoS One 2013 20;8(2):e56446. Epub 2013 Feb 20.

Division of International and Environmental Health, Institute of Social and Preventive Medicine, University of Bern, Switzerland.

PLoS Med 2013 9;10(4):e1001418. Epub 2013 Apr 9.

Centre for Infectious Disease Epidemiology and Research, University of Cape Town, Cape Town, South Africa.

AIDS 2013 Sep;27(14):2225-32

aDivision of International and Environmental Health, Institute of Social and Preventive Medicine (ISPM), University of Bern bDepartment of Infectious Diseases, University Hospital Bern, Bern, Switzerland cCentre for Infectious Disease Research in Zambia, Lusaka, Zambia dKhayelitsha ART Programme, Médecins Sans Frontières, Cape Town eThe Desmond Tutu HIV Centre, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town fThemba Lethu Clinic, Johannesburg gDivision of Infectious Diseases, Department of Medicine, University of Stellenbosch and Tygerberg Academic Hospital, Cape Town hAurum Institute for Health Research, Johannesburg, South Africa iSolidarMed Lesotho, Lucerne, Switzerland jHIV private practice, Gaborone, Botswana kSchool of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa.

Am J Epidemiol 2013 Sep 30;178(6):877-84. Epub 2013 Jul 30.

PLoS One 2013 15;8(2):e56248. Epub 2013 Feb 15.

The International Union Against Tuberculosis and Lung Disease, Paris, France.

PLoS One 2013 28;8(2):e57611. Epub 2013 Feb 28.

Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland.

AIDS 2013 Jun;27(9):1483-92

Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.

Trop Med Int Health 2012 Dec 20;17(12):1509-20. Epub 2012 Sep 20.

Division of International and Environmental Health, Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland  Department of Infectious Diseases, University Hospital Bern, Bern, Switzerland  School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa.

AIDS 2012 Nov;26(18):2361-73

Division of International and Environmental Health, Institute of Social and Preventive Medicine, University of Bern, Switzerland.

Trop Med Int Health 2012 Nov 14;17(11):1386-90. Epub 2012 Sep 14.

School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa  Empilweni Service and Research Unit, Rahima Moosa Mother and Child Hospital and University of Witwatersrand, Johannesburg, South Africa  Red Cross Children's Hospital and School of Child and Adolescent Health, University of Cape Town, Cape Town, South Africa  Wits Reproductive Health and HIV Institute (Harriet Shezi Children's Clinic, Chris Hani Baragwanath Hospital, Soweto), Faculty of Health Sciences, University of Witwatersrand, Johannesburg, South Africa  Tygerberg Academic Hospital, University of Stellenbosch, Stellenbosch, South Africa  Médecins Sans Frontières South Africa and Khayelitsha ART Programme, Khayelitsha, Cape Town, South Africa  Sinikithemba Clinic, McCord Hospital, Durban, South Africa  Gugulethu Community Health Centre and Desmond Tutu HIV Centre, Institute of Infectious Diseases and Molecular Medicine, University of Cape Town, Cape Town, South Africa  Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland.

Pediatrics 2012 Oct 17;130(4):e966-77. Epub 2012 Sep 17.

Institute of Social and Preventive Medicine (ISPM), University of Bern, Finkenhubelweg 11, CH-3012 Bern, Switzerland.

J Acquir Immune Defic Syndr 2012 Sep;61(1):41-8

Division of International and Environmental Health, Institute of Social and Preventive Medicine, University of Bern, Finkenhubelweg 11, CH-3012 Bern, Switzerland.

J Acquir Immune Defic Syndr 2012 Aug;60(4):428-37

Center for Global Health and Development, Boston University, 801 Massachusetts Ave., Boston, MA 02118, USA.

AIDS 2012 Jul;26(11):1403-13

Institute of Social and Preventive Medicine, University of Bern, Switzerland.

PLoS One 2011 20;6(12):e27903. Epub 2011 Dec 20.

Clinic for Infectious Diseases, Bern University Hospital and University of Bern, Bern, Switzerland.

PLoS One 2011 19;6(12):e27919. Epub 2011 Dec 19.

Division of International and Environmental Health, Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland.

Clin Infect Dis 2012 Mar 23;54(6):878-81. Epub 2011 Dec 23.

Pediatric Department, CHU St Pierre, Brussels, Belgium.

AIDS Behav 2012 Feb;16(2):245-55

Institute of Social and Preventive Medicine, University of Bern, Switzerland.

J Acquir Immune Defic Syndr 2012 Feb;59(2):e9-16

Division of International and Environmental Health, Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.

J Acquir Immune Defic Syndr 2012 Jan;59(1):79-85

Clinic for Infectious Diseases, Bern University Hospital, Switzerland.

AIDS 2012 Jan;26(1):57-65

Division of International and Environmental Health, Institute of Social and Preventive Medicine, University of Bern, Switzerland.

AIDS 2012 Jan;26(3):365-73

Liverpool School of Tropical Medicine, UK.

Trop Med Int Health 2011 Nov 11;16(11):1367-71. Epub 2011 Aug 11.

School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa.

AIDS 2011 Sep;25(14):1761-9

Division of International and Environmental Health, Institute of Social and Preventive Medicine, University of Bern, Switzerland.

J Acquir Immune Defic Syndr 2011 Mar;56(3):270-8

School of Public Health and Family Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa.

Gut 2010 Sep 26;59(9):1252-8. Epub 2010 Jul 26.

Klinik und Poliklinik für Infektiologie, University Hospital Berne and University of Berne, Inselspital PKT2B, 3010 Bern, Switzerland.

Trop Med Int Health 2010 Aug 15;15(8):934-44. Epub 2010 Jun 15.

Ministry of Health and Lighthouse Trust at Kamuzu Central Hospital, Lilongwe, Malawi.

J Acquir Immune Defic Syndr 2010 Aug;54(5):524-32

Institute of Social and Preventive Medicine, University of Bern, Switzerland.

Lancet 2010 Aug 15;376(9739):449-57. Epub 2010 Jul 15.

Department of Social Medicine, University of Bristol, Bristol, UK.