Hardes, Jendrik
Henrichs, Marcel-Philipp
Gosheger, Georg
Guder, Wiebke
Nottrott, Markus
Andreou, Dimosthenis
Bormann, Eike
Eveslage, Maria
Hauschild, Gregor
Streitbürger, Arne
Article History
Received: 2 January 2018
Accepted: 12 March 2018
First Online: 22 March 2018
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.