Joerger, M
van Schaik, R H N
Becker, M L
Hayoz, S http://orcid.org/0000-0002-2265-6559
Pollak, M
Cathomas, R
Winterhalder, R
Gillessen, S
Rothermundt, C http://orcid.org/0000-0002-2104-7794
Article History
Received: 26 November 2014
Revised: 3 January 2015
Accepted: 12 January 2015
First Online: 10 March 2015
Competing interests
: The authors declare no conflict of interest.