Mönchgesang, Susann
Strehmel, Nadine
Schmidt, Stephan
Westphal, Lore
Taruttis, Franziska
Müller, Erik
Herklotz, Siska
Neumann, Steffen
Scheel, Dierk
Article History
Received: 14 February 2016
Accepted: 14 June 2016
First Online: 1 July 2016
Competing interests
: The authors declare no competing financial interests.