1. Nursing Science, Department Public Health, Medical Faculty, University of Basel, Basel, Switzerland
2. Department of Gastroenterology/Hepatology and Department of Nursing Development, Cantonal Hospital St. Gallen, St. Gallen, Switzerland
3. Division of Infectious Diseases, Cantonal Hospital St. Gallen, St. Gallen, Switzerland
4. Sigma Research, London School of Hygiene and Tropical Medicine, London, United Kingdom
5. Zurich University of Applied Sciences (ZUAS), Winterthur, Switzerland
6. Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, Basel, Switzerland
7. Medical Faculty, University of Basel, Basel, Switzerland
8. University of Pittsburgh, School of Nursing, Pittsburgh, PA, USA
9. Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, Zurich, Switzerland
10. Institute of Tropical Medicine, Department of Public Health, Antwerp, Belgium
11. Department of Infectious Diseases, Inselspital, Bern University Hospital, University of Bern, Switzerland
12. Intensive Care Unit, Department of Intensive Care Medicine, University of Lausanne and University Hospital Center, Lausanne, Switzerland
13. Primary Care Medicine Unit, University Hospital of Geneva, Geneva, Switzerland
14. Institute of Medical Virology, University of Zurich, Zurich, Switzerland
15. Department of Public & Global Health, Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich, Switzerland