1 1] Gastroenterology Department, Centro Hospitalar São João, Porto, Portugal [2] Institute of Pharmacology and Therapeutics, Faculty of Medicine, University of Porto Portugal, Porto, Portugal [3] IBMC-Institute for Molecular and Cell Biology, University of Porto, Porto, Portugal.
2 Gastroenterology Department, Centro Hospitalar São João, Porto, Portugal.
3 CIDES-Department of Health Information and Decision Sciences, Faculty of Medicine, University of Porto, Porto, Portugal.