Hoff, Ulrike
Rasmussen, Tine L.
Stein, Ruediger
Ezat, Mohamed M. http://orcid.org/0000-0002-9475-0974
Fahl, Kirsten
Article History
Received: 27 October 2015
Accepted: 15 June 2016
First Online: 26 July 2016
Competing interests
: The authors declare no competing financial interests.