Reichert, Doreen
Friedrichs, Jens
Ritter, Steffi
Käubler, Theresa
Werner, Carsten
Bornhäuser, Martin
Corbeil, Denis
Article History
Received: 4 March 2015
Accepted: 1 October 2015
First Online: 26 October 2015
Competing interests
: The authors declare no competing financial interests.