Wolff, Martin
Zhang-Haagen, Bo
Decker, Christina
Barz, Bogdan
Schneider, Mario
Biehl, Ralf
Radulescu, Aurel
Strodel, Birgit
Willbold, Dieter http://orcid.org/0000-0002-0065-7366
Nagel-Steger, Luitgard http://orcid.org/0000-0001-5232-2149
Article History
Received: 25 October 2016
Accepted: 11 April 2017
First Online: 30 May 2017
Competing Interests
: The authors declare that they have no competing interests.