Reess, T J
Rus, O G
Schmidt, R
de Reus, M A
Zaudig, M
Wagner, G
Zimmer, C
van den Heuvel, M P
Koch, K
Article History
Received: 9 November 2015
Revised: 11 July 2016
Accepted: 18 July 2016
First Online: 6 September 2016
Competing interests
: The authors declare no conflict of interest.