1 Department of General, Visceral and Transplantation Surgery, Hospital of the LMU Munich, Munich, Germany.
Published online 28 March 2017.
Received 14 July 2016. Revision requested 9 December 2016.
Accepted 5 January 2017.
The authors declare no funding or conflicts of interest.
S.P. participated in the writing of the article. M.A. participated in the writing of the article.
Correspondence: Martin Angele, MD, Department of General, Visceral and Transplantation Surgery, Hospital of the LMU Munich, Marchioninistr. 15 81377 Munich, Germany. (firstname.lastname@example.org).
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