Kuhn, Miriam
Hornung, Andreas
Ulmer, Heidi
Schlensak, Christian
Hofbeck, Michael
Wiegand, Gesa
Article History
Received: 6 August 2017
Accepted: 20 January 2018
First Online: 3 February 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The study protocol was approved by the local ethics committee of the University Hospital Tuebingen.