Funding for this research was provided by:
Received: 23 October 2020
Revised: 12 February 2021
Accepted: 12 February 2021
First Online: 3 March 2021
: The protocol was submitted and approved by the Local Research and Ethics Committee.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.
: Benjamin Stillhard declares no conflict of interest. BT Truc Ngo declares no conflict of interest. Ralph Peterli reports consulting fees for his institution from Johnson & Johnson, outside the submitted work. Thomas Peters declares no conflict of interest. Romano Schneider reports grants from University of Basel, grants from Department of Surgery, University Hospital Basel, grants from Stiftung zur Förderung von chirurgischer Forschung und Spitalmanagement, grants from Freiwillige Akademische Gesellschaft Basel, and grants from Gebauer Stiftung, outside the submitted work. Marko Kraljević declares no conflict of interest. Marc Slawik declares no conflict of interest. Bettina Wölnerhanssen declares no conflict of interest.