[1] Hannover Med Sch, Core Facil Qualitatsmanagement Transplantat, Hannover, Germany
[2] Hannover Med Sch, Dept Nephrol, Hannover, Germany
[3] Hannover Med Sch, Allgemein Visceral & Transplantat Chirurg, Hannover, Germany
[4] Klinikum Wolfenbuttel, Allgemein Viszeral & Minimal Invas Chirurg, Wolfenbuttel, Germany