- Correspondence to Ellen Generaal, Department of Psychiatry and EMGO Institute for Health and Care Research, VU University Medical Center, A.J. Ernststraat 1187, room M1.14, Amsterdam 1081 HL, The Netherlands;
- Received October 6, 2014
- Revised January 20, 2015
- Accepted April 5, 2015
- First published April 22, 2015.
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