[1
]
Department of General, Visceral and Transplant Surgery, University Hospital of Tübingen,
Tübingen, Germany.
[2
]
Department of General and Visceral Surgery, Medical Center of Konstanz, Konstanz,
Germany.
[3
]
Department of Traumatology and Reconstructive Surgery, BG Trauma Center, University
of Tübingen, Tübingen, Germany.