Siemens, Waldemar http://orcid.org/0000-0003-4238-5327
Boehlke, Christopher http://orcid.org/0000-0002-6985-0201
Bennett, Michael I. http://orcid.org/0000-0002-2022-1105
Offner, Klaus
Becker, Gerhild http://orcid.org/0000-0001-9060-0285
Gaertner, Jan http://orcid.org/0000-0002-1176-3164
Funding for this research was provided by:
Universitätsklinikum Freiburg
Article History
Received: 13 December 2019
Accepted: 19 February 2020
First Online: 3 March 2020
Compliance with ethical standards
: The study was approved by the local ethics committee on December 23, 2016.
: The authors declare that they have no conflict of interest.