1. Department of Cardiothoracic and Vascular Surgery; Klinikum Klagenfurt am Wörthersee; Klagenfurt Austria
2. Department of Hospital Epidemiology and Infection Control; Klinikum Klagenfurt am Wörthersee; Klagenfurt Austria
3. Department of Internal Medicine; Klinikum Klagenfurt am Wörthersee; Klagenfurt Austria
4. Department of Hospital Pharmacy; Klinikum Klagenfurt am Wörthersee; Klagenfurt Austria