[1] Cantonal Hospital St. Gallen,Division of Infectious Diseases and Hospital Epidemiology
[2] Division of Infectious Diseases and Hospital Epidemiology,Institut of Applied Nursing IPW
[3] Cantonal Hospital St. Gallen,FHS St. Gallen
[4] Division of Gastroenterology/Hepatology,Institute of Nursing Science
[5] Arud Centres for Addiction Medicine,undefined
[6] University Hospital Zürich,undefined
[7] University of Zürich,undefined
[8] University of Applied Science,undefined
[9] University of Basel,undefined