1. Department of Surgery, Campus Charité Mitte | Campus Virchow-Klinikum, Charité – Universitätsmedizin Berlin, Berlin, Germany;
2. Department of Medicine I Cardiology, Angiology and Intensive Care, General Hospital Chemnitz gGmbH, Chemnitz, Germany;
3. Department of Visceral, Transplant, Thoracic, and Vascular Surgery, University Hospital Leipzig, Leipzig, Germany;
4. Department of General, Visceral, and Vascular Surgery, University Hospital Jena, Jena, Germany;
5. Department of Traumatology, Hand and Orthopedic Surgery, Harzklinikum Dorothea Christiane Erxleben GmbH, Quedlinburg, Germany