Butler, O
Adolf, J
Gleich, T
Willmund, G
Zimmermann, P
Lindenberger, U
Gallinat, J
Kühn, S
Article History
Received: 12 September 2016
Revised: 26 October 2016
Accepted: 13 November 2016
First Online: 14 February 2017
Competing interests
: JG has received research funding from the German Federal Ministry of Education and Research (BMBF), German Science Foundation (DFG), AstraZeneca, and speaker fees from Lundbeck, Janssen-Cilag, Lilly, and Otsuka. GW and PZ are employed by the German Armed Forces. Their employment had no influence on the study design. The remaining authors declare no conflict of interest.