[1] Johannes Gutenberg Univ Mainz, Med Ctr, Dept Gen Visceral & Transplant Surg, D-55131 Mainz, Germany
[2] Intuit Surg, Dept Global Clin Dev, Sunnyvale, CA 94086 USA
[3] Univ Med Ctr, Dept Surg, NL-3584 CX Utrecht, Netherlands
[4] Univ Hosp Schleswig Holstein, Dept Gen Visceral Thorac Transplantat & Pediat Su, D-24105 Kiel, Germany