Daria, D
Kirsten, N
Muranyi, A
Mulaw, M
Ihme, S
Kechter, A
Hollnagel, M
Bullinger, L
Döhner, K
Döhner, H
Feuring-Buske, M
Buske, C
Article History
Received: 28 January 2016
Revised: 2 March 2016
Accepted: 14 March 2016
First Online: 11 April 2016
Competing interests
: The authors declare no conflict of interest.