Pala, Andrej http://orcid.org/0000-0001-6653-701X
Reske, Sven N.
Eberhardt, Nina
Scheuerle, Angelika
König, Ralph
Schmitz, Bernd
Beer, Ambros J.
Wirtz, Christian R.
Coburger, Jan
Article History
Received: 18 January 2018
Revised: 6 May 2018
Accepted: 21 May 2018
First Online: 28 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: An institutional ethics approval was obtained by the local ethical board (Ethikkommission Ulm No: 172/12). The study was conducted according to the international Declaration of Helsinki.
: Informed consent was obtained.