[1] University Hospital of Basel,Department of Plastic, Reconstructive, and Aesthetic Surgery
[2] Innsbruck Medical University,Department of Plastic, Reconstructive, and Hand Surgery
[3] Swiss Olympic Medical Center,Plastic Surgery Unit, Crossklinik and Merian Iselin Spital
[4] University Hospital of Basel,Division of Infectious Diseases and Hospital Epidemiology, Department of Internal Medicine