Pryss, RĂ¼diger https://orcid.org/0000-0003-1522-785X
Probst, Thomas https://orcid.org/0000-0002-6113-2133
Schlee, Winfried
Schobel, Johannes
Langguth, Berthold
Neff, Patrick
Spiliopoulou, Myra
Reichert, Manfred
Article History
Received: 28 September 2017
Accepted: 24 February 2018
First Online: 12 March 2018
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.