StrĂ¼ber, Michael http://orcid.org/0000-0002-3478-0848
Sauer, Jonas-Frederic
Jonas, Peter
Bartos, Marlene http://orcid.org/0000-0001-9741-1946
Article History
Received: 18 September 2016
Accepted: 7 August 2017
First Online: 2 October 2017
Competing interests
: The authors declare no competing financial interests.