1 Division of Primary Care Medicine, Geneva University Hospitals, Geneva, Switzerland; Faculty of Medicine, University of Geneva, Switzerland. Electronic address: silvia.stringhini@hcuge.ch.
2 Division of Primary Care Medicine, Geneva University Hospitals, Geneva, Switzerland.
3 Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
4 Division of Primary Care Medicine, Geneva University Hospitals, Geneva, Switzerland; Faculty of Medicine, University of Geneva, Switzerland.
5 Faculty of Medicine, University of Geneva, Switzerland.
6 School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
7 Infection Control Program and WHO Collaborating Centre on Patient Safety, Geneva University Hospitals, Geneva, Switzerland; Faculty of Medicine, University of Geneva, Switzerland.
8 Division of General Pediatrics, Geneva University Hospitals, Geneva, Switzerland; Faculty of Medicine, University of Geneva, Switzerland.
9 Division of Tropical and Humanitarian Medicine, Geneva University Hospitals, Geneva, Switzerland; Faculty of Medicine, University of Geneva, Switzerland.
10 Faculty of Medicine, University of Geneva, Switzerland; Division of Internal Medicine, Hôpital de la Tour, Geneva, Switzerland.
11 Division of Laboratory Medicine, Geneva University Hospitals, Geneva, Switzerland; Faculty of Medicine, University of Geneva, Switzerland.
12 Geneva Center for Emerging Viral Diseases, Geneva University Hospitals, Geneva, Switzerland; Faculty of Medicine, University of Geneva, Switzerland.
13 Division of Primary Care Medicine, Geneva University Hospitals, Geneva, Switzerland; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.