Acta Trop 2017 Jan 23;165:170-178. Epub 2016 Nov 23.
Department of Community Health, School of Medicine, Federal University of Ceará, Rua Professor Costa Mendes, 1608, Rodolfo Teófilo, 60430-140 Fortaleza, CE, Brazil; Anton Breinl Centre for Public Health and College of Public Health, Medical and Veterinary Sciences, Division of Tropical Health and Medicine, James Cook University, Townsville, QLD 4811, Australia. Electronic address: