- Correspondence to Prof Dr Rinse K Weersma, Department of Gastroenterology and Hepatology, University of Groningen and University Medical Center Groningen, P.O. Box 30.001, Groningen 9700 RB, The Netherlands;
- Received July 16, 2015
- Revised October 28, 2015
- Accepted October 30, 2015
- First published December 9, 2015.
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