1. Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, Zurich, Switzerland
2. Institute of Medical Virology, University of Zurich, Zurich, Switzerland
3. Division of Infectious Diseases, University Hospital Geneva, University of Geneva, Geneva, Switzerland
4. Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, University of Basel, Basel, Switzerland
5. Division of Infectious Diseases, University Hospital Lausanne, University of Lausanne, Lausanne, Switzerland
6. Department of Infectious Diseases, Bern University Hospital, University of Bern, Bern, Switzerland
7. Division of Infectious Diseases, Cantonal Hospital St Gallen, St Gallen, Switzerland
8. Division of Infectious Diseases, Regional Hospital Lugano, Lugano, Switzerland
9. Division of Infectious Diseases and Hospital Epidemiology, Cantonal Hospital St Gallen, St Gallen, Switzerland
10. Division of Infectious Diseases and Hospital Epidemiology, Children's Hospital of Eastern Switzerland, St Gallen, Switzerland
11. University Department of Medicine, Kantonsspital Bruderholz, University of Basel, Bruderholz, Switzerland
12. Precision Medicine Unit, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
13. Division of Infectious Diseases and Laboratory of Virology, University Hospital Geneva, University of Geneva, Geneva, Switzerland
14. Department of Biomedicine, University of Basel, Basel, Switzerland
15. Zentrum für Labormedizin, St Gallen, Switzerland
16. Division of Immunology and Allergy, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Lausanne, Switzerland
17. Department of Microbiology, Ente Ospedaliero Cantonale, Bellinzona, Switzerland