1. Department of General, Visceral, Thoracic, and Vascular Surgery, Greifswald University Medical Center, Greifswald, Germany
2. Department of General, Visceral, and Thoracic Surgery, Helios Clinic Schleswig, Schleswig, Germany
3. ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Greifswald, Germany
4. Clinic and Polyclinic for Dermatology and Venereology, Rostock University Medical Center, Rostock, Germany