Ossendorff, Robert http://orcid.org/0000-0002-6636-8065
Franke, Kilian
Erdle, Benjamin
Uhl, Markus
Südkamp, Norbert P.
Salzmann, Gian M.
Article History
Received: 3 April 2018
Accepted: 4 June 2018
First Online: 16 June 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the local ethical committee (EK262-13).