Cohort Profile Update: The Swiss HIV Cohort Study (SHCS). (7th August 2021) - Scherrer, Alexandra U; Traytel, Anna; Braun, Dominique L; Calmy, Alexandra; Battegay, Manuel; Cavassini, Matthias; Furrer, Hansjakob; Schmid, Patrick; Bernasconi, Enos; Stoeckle, Marcel; Kahlert, Christian; Trkola, Alexandra; et al.