Kather, Jakob Nikolas
Hermann, Thomas
Bukschat, Yannick
Kramer, Tilmann
Schad, Lothar R.
Zöllner, Frank Gerrit
Article History
Received: 1 November 2016
Accepted: 10 February 2017
First Online: 20 March 2017
Competing interests
: The authors declare no competing financial interests.