1. Department of Infectious Diseases; Bern University Hospital; University of Bern; Bern Switzerland
2. Division of Infectious Diseases; Cantonal Hospital Chur; Chur Switzerland
3. Clinic for Transplantation Immunology and Nephrology; University Hospital Basel; Basel Switzerland
4. Division of Infectious Diseases & Hospital Hygiene; Cantonal Hospital St. Gallen; St. Gallen Switzerland
5. Clinic of Internal Medicine & Infectious Diseases; Clinica Luganese; Lugano Switzerland
6. Infectious Diseases Service; University Hospital of Lausanne (CHUV); Lausanne Switzerland
7. Division of Infectious Diseases & Hospital Epidemiology; University Hospital; University of Zürich; Zürich Switzerland
8. Division of Infectious Diseases & Hospital Epidemiology; University Hospital Basel; Basel Switzerland
9. Division of Infectious Diseases and Hospital Epidemiology; University Children's Hospital Zürich; Zürich Switzerland
10. Transplant Infectious Diseases Unit; University Hospitals Geneva; Geneva Switzerland