- Correspondence to Dr María Vicario, Digestive System Research Unit, Laboratory of Neuro-Immuno-Gastroenterology, Department of Gastroenterology, Vall d'Hebron Institut de Recerca, Paseo Vall d'Hebron 119-129, 08035, Barcelona, Spain;
- Revised April 10, 2012
- Accepted April 14, 2012
- First published May 25, 2012.
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