J Rheumatol 2020 02 1;47(2):241-248. Epub 2019 Apr 1.
From the Department of Dermatology and Venereology, University Hospital Cologne; Institute of Medical Statistics and Computational Biology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne; Department of Rheumatology, Charité Universitätsmedizin Berlin; Department of Dermatology and Allergology, Charité Universitätsmedizin Berlin; Department of Rheumatology, Immanuel Krankenhaus Berlin-Buch, Berlin; Department of Rheumatology, University Hospital Heidelberg, Heidelberg; Department of Dermatology and Venereology, University Hospital Muenster, Muenster; University Hospital Halle, Halle; Centre for Interdisciplinary Clinical Immunology, Rheumatology and Auto-inflammatory Diseases; Department of Internal Medicine II (Oncology, Hematology, Immunology, Rheumatology, Pulmonology), University Hospital Tuebingen, Tuebingen; Department for Internal Medicine, Rheumatology, Immunology and Nephrology, Asklepios Clinic Altona, Hamburg; Department of Rheumatology, University Hospital Wuerzburg, Wuerzburg; Department of Rheumatology, Krankenhaus St. Josef; Department of Dermatology, HELIOS University Hospital Wuppertal, Wuppertal; Department of Dermatology, University Hospital Carl Gustav Carus, Dresden; Department of Dermatology and Venereology, Ruhr-University-Bochum, Bochum; Department of Rheumatology, University Medical Center-UKSH, Luebeck; Department of Dermatology, Venereology and Allergology, HELIOS St. Elisabeth Hospital Oberhausen, University Witten-Herdecke, Witten; Department of Rheumatology, Johanniter-Krankenhaus im Flaeming Treuenbrietzen, Treuenbrietzen; University Medical Center Freiburg, Freiburg; Department of Rheumatology, Justus Liebig University Giessen, Kerckhoff Clinic, Bad Nauheim; Department of Rheumatology, University Hospital Erlangen, Erlangen; Department of Dermatology and Allergology, Ludwig Maximilian University, Munich, Germany; Department of Dermatology, Medical University of Graz, Graz, Austria.