[
1
]
Department of Abdominal, Vascular and Transplant Surgery, Witten/Herdecke University,
Medical Center Cologne-Merheim, Köln, Germany
[
2
]
Department of Diagnostic and Interventional Radiology and Neuroradiology, Medical
Center Cologne-Merheim, Germany
[
3
]
Department of Diagnostic and Interventional Radiology and Neuroradiology, Medical
Center Cologne-Merheim, Germany
[
4
]
Department of Abdominal, Vascular and Transplant Surgery, Witten/Herdecke University,
Medical Center Cologne-Merheim, Köln, Germany