- Correspondence to Dr Femme Harinck, Erasmus MC-University Medical Center Rotterdam, Department of Gastroenterology & Hepatology, 's Gravendijkwal 230, 3015 CE Rotterdam, The Netherlands;
- Received October 12, 2011
- Revised March 11, 2012
- Accepted March 16, 2012
- First published May 25, 2012.
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