Fischer, Martin http://orcid.org/0000-0002-3429-1876
Uxa, Sigrid
Stanko, Clara
Magin, Thomas M.
Engeland, Kurt http://orcid.org/0000-0003-3525-0440
Article History
Received: 15 December 2016
Accepted: 18 April 2017
First Online: 1 June 2017
Competing Interests
: The authors declare that they have no competing interests.