Affiliation: | 1. Spanish Centre for Pharmacoepidemiologic Research, Madrid, Spain;3. Department of Public Health and Maternal and Child Health, Faculty of Medicine, Complutense University of Madrid, Madrid, Spain;4. Servicio de Aparato Digestivo, Hospital Clínico, University of Zaragoza, IIS Aragón, Zaragoza, Spain;6. CIBERehd, Instituto de Salud Carlos III, Madrid, Spain;5. Epidemiology, Bayer AG, Berlin, Germany |