- 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 10 April 2012
- Accepted 14 April 2012
- Published in print 1 January 2012.
- Published online 25 May 2012.
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