Kiefmann, Martina
Tank, Sascha
Keller, Paula
Börnchen, Christian
Rinnenthal, Jan L
Tritt, Marc-Oliver
Schulte-Uentrop, Leonie
Olotu, Cynthia
Goetz, Alwin E
Kiefmann, Rainer
Article History
Received: 20 December 2016
Revised: 14 July 2017
Accepted: 16 July 2017
First Online: 24 August 2017
Competing interests
: The authors declare no conflict of interest.