- Correspondence to Marieke van Dijk, Psychosocial Department and Department of Paediatric Gastroenterology and Nutrition, Emma Children's Hospital, Academic Medical Centre, Room A3-241, PO Box 22700, Amsterdam 1100 DE, The Netherlands;
- Received January 3, 2014
- Revised October 8, 2014
- Accepted October 13, 2014
- First published October 30, 2014.
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