1 Department of Public and Global Health, Division of Infectious Diseases, Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich 8001, Switzerland; Checkpoint Zurich, Zurich, Switzerland.
2 Department of Public and Global Health, Division of Infectious Diseases, Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich 8001, Switzerland. Electronic address: andrea.farnham@uzh.ch.
3 Checkpoint Zurich, Zurich, Switzerland.
4 Department of Public and Global Health, Division of Infectious Diseases, Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich 8001, Switzerland.
5 HIV/AIDS Unit (Infectious Diseases Division), Laboratory of Virology and Division of Infectious Diseases, Geneva University Hospital, Geneva, Switzerland.