1 Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, MD, USA; Institute of Global Health, University of Geneva, Switzerland.
2 Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, MD, USA.
3 Faculty of Medicine, University of Geneva, Switzerland; Geneva Center for Emerging Viral Diseases and Laboratory of Virology, Geneva University Hospitals, Switzerland; Division of Laboratory Medicine, Geneva University Hospitals, Switzerland.
4 Department of Acute Medicine, Division of Emergency, Geneva University Hospitals, Switzerland; Cantonal Health Service, General Directorate for Health, Geneva, Switzerland.
5 Cantonal Health Service, General Directorate for Health, Geneva, Switzerland.
6 Faculty of Medicine, University of Geneva, Switzerland; Unit of Population Epidemiology, Division of Primary Care Medicine, Geneva University Hospitals, Switzerland.
7 Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, MD, USA; Institute of Global Health, University of Geneva, Switzerland; Unit of Population Epidemiology, Division of Primary Care Medicine, Geneva University Hospitals, Switzerland. Electronic address: azman@jhu.edu.