Reimann, M
Qin, N
Gruber, M
Bornstein, S R
Kirschbaum, C
Ziemssen, T
Eisenhofer, G
Article History
Received: 14 July 2016
Revised: 5 January 2017
Accepted: 24 January 2017
First Online: 6 February 2017
Competing interests
: The authors declare no conflict of interest.