1 Department of Orthopedics and Trauma Surgery, Faculty of Medicine, Medical Center - University of Freiburg, Hugstetter Straße 55, 79106, Freiburg, Deutschland. [email protected].
2 Department of Orthopedics and Trauma Surgery, Faculty of Medicine, Medical Center - University of Freiburg, Hugstetter Straße 55, 79106, Freiburg, Deutschland.
3 Department of General and Visceral Surgery, Faculty of Medicine, Medical Center - University of Freiburg, Freiburg, Deutschland.