ACentre d’Estudis Epidemiològics sobre les ITS i Sida de Catalunya (CEEISCAT), Badalona, Spain.

BGermans Trias i Pujol Research Institute (IGTP), Badalona, Spain.

CCommunity-Based Research Laboratory, Coalition PLUS, Pantin, France.

DCIBER Epidemiologia y Salud Pública (CIBERESP), Madrid, Spain.

EDoctorat Metodologia de la Recerca Biomèdica i Salut Publica, Universitat Autònoma de Barcelona, Bellaterra, Spain.

FSigma Research, Department of Public Health, Environments and Society, London School of Hygiene and Tropical Medicine, London, UK.

GFaculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands.

HInstitute of Public Health, Universidad Andrés Bello, Santiago de Chile, Chile.

IRobert Koch Institut, Berlin, Germany.

JSanta Casa de São Paulo School of Medical Sciences, São Paulo, Brazil.