1. ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany
2. Department of General, Visceral, Thoracic and Vascular Surgery, Greifswald University Medical Center, Sauerbruchstr., 17475 Greifswald, Germany
3. Institute for Hygiene and Environmental Medicine, Greifswald University Medical Center, Sauerbruchstr., 17475 Greifswald, Germany