Affiliation: | Olivia Keiser,Catherine Orrell,Matthias Egger,Robin Wood,Martin W. G Brinkhof,Hansjakob Furrer,Gilles van Cutsem,Bruno Ledergerber,Andrew Boulle,for the Swiss HIV Cohort Study (SHCS) and the International Epidemiologic Databases to Evaluate AIDS in Southern Africa (IeDEA-SA) |