Wacha, H.
Domsel, G.
Herrmann, E.
Article History
Received: 6 June 2017
Accepted: 26 December 2017
First Online: 17 January 2018
Compliance with ethical standards
:
: This study was partially financed by FA Link, Hamburg, Germany. The authors did not receive benefits for personal use.
: This study was approved by the local Ethical board Review Committee: FF66/2015.
: This retrospective study does not afford additional informed consent bedsides the preoperative consent of the patients.