1. Department of General, Visceral and Transplant Surgery, University Hospital Tuebingen
2. Department of Anesthesiology, University Hospital Tuebingen
3. Department or Neurosurgery, University Hospital Tuebingen
4. Division of Endocrinology, Diabetology, Angiology, Nephrology, Pathobiochemistry and Clinical Chemistry, Department of Internal Medicine, University Hospital Tuebingen