Unidad de Metodología, Instituto de Investigación Sanitaria Princesa (IIS-Princesa); Servicio de Reumatología, Hospital Universitario de La Princesa; Plant Physiology, Pharmaceutical and Health Sciences Department, Boadilla del Monte, Spain
Department of Gastroenterology, Biodonostia Health Research Institute, Department of Medicine, Universidad del País Vasco (UPV/EHU), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), San Sebastián, Spain
Department of Gastroenterology, Hospital Universitario Costa del Sol, Red de Investigación en Cronicidad, Atención Primaria y Prevención y Promoción de la Salud (RICAPPS), Marbella, Spain
Department of Gastroenterology, DC Rogaska, Rogaska Slatina, Slovenia
A.S. Loginov Moscow Clinical Scientific Center, Moscow, Russian Federation
Department of Gastroenterology, Hospital Clínico Universitario Lozano Blesa, Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Zaragoza, Spain
Department of Gastroenterology, Hospital General de Tomelloso, Instituto de Investigación Sanitaria Princesa (IIS-Princesa), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Tomelloso, Spain
Gastrocentr, Perm, Russian Federation
Kazan (Volga region) Federal university, Kazan State Medical University, Kazan, Russian Federation
Department of Gastroenterology, Hospital Universitario de Cabueñes, Asturias, Spain
Department of Gastroenterology, SM-clinic, Saint-Petersburg, Russian Federation
Saint-Petersburg State Budgetary Institution Healthcare City Policlinic 38, Saint-Petersburg, Russian Federation
Department of Gastroenterology, Chelyabinsk Regional Clinical Hospital, Chelyabinsk, Russian Federation
Department of Medical and Surgical Sciences, Sant'Orsola-Malpighi University Hospital, Bologna, Italy
First Clinical Medical Centre, Kovrov, Russian Federation
Department of Gastroenterology, Hospital General Universitario de Valencia, Valencia, Spain
Department of Hepatogastroenterology, University of study of Campania "L. Vanvitelli", Naples, Italy
Department of Gastroenterology, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-Princesa), Universidad Autónoma de Madrid (UAM), Madrid, Spain
Department of Gastroenterology, Hospital Quirón Marbella, Marbella, Spain
Far Eastern State Medical University, Khabarovsk, Russian Federation
Department of Gastroenterology, Hospital 12 de Octubre, Madrid, Spain
Department of Gastroenterology, Hospital Universitario Virgen de Valme, Sevilla, Spain
Department of Gastroenterology, Hospital Universitario La Moraleja, Faculty of Medicine, Universidad Francisco de Vitoria, Faculty of Medicine, Universidad CEU San Pablo, Madrid, Spain
Russian University of Medicine, Moscow, Russian Federation
Department of Gastroenterology, Portuguese Oncology Institute of Coimbra, Faculty of Medicine of the University of Porto (FMUP), RISE@CI-IPO (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto), Coimbra, Portugal
Department of Gastroenterology, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León (SACYL), Valladolid, Spain
Department of Gastroenterology, Hospital Universitario Virgen del Rocío, Sevilla, Spain
Department of Gastroenterology, Hospital Universitario Virgen Macarena, Sevilla, Spain
Universal Clinic Private Medical Center, Moscow, Russian Federation
Interni oddelek, Diagnostic Centre, Bled, Slovenia
Department of Gastroenterology, Mechnikov North-Western State Medical University, Saint-Petersburg, Russian Federation
Department of Gastroenterology, Hospital Universitario y Politécnico la Fe, Valencia, Spain
Department of Gastroenterology and Hepatology, Hospital Universitario San Jorge, Huesca, Spain
Department of Pancreatic, Biliary and upper digestive tract disorders, A. S. Loginov Moscow clinical scientific center, Department of outpatient therapy and family medicine, Moscow, Russian Federation
Department of Internal Medicine and Gastroenterology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
Department of Gastroenterology, Centro Hospitalar do Porto, Instituto De Ciências Biomédicas de Abel Salazar, Universidade do Porto, Center for Research in Health Technologies and Information Systems (CINTESIS), Porto, Portugal
Department of Gastroenterology, Hospital Universitario Santa Bárbara, Ciudad Real, Spain
Department of Gastroenterology, Hospital Universitario Infanta Sofía, Faculty of Medicine, Universidad Europea de Madrid, Madrid, Spain
Department of Gastroenterology, Hospital Universitario de Cruces, Vizcaya, Spain
Department of Gastroenterology, Hospital Universitario de Burgos, Burgos, Spain
Gastrointestinal Oncology, Endoscopy and Surgery (GOES) research group, Althaia Xarxa Assistencial Universitària de Manresa, Institut de Recerca i Innovació en Ciències de la Vida i de la Salut de la Catalunya Central (IRIS-CC), Manresa, Spain
Department of Gastroenterology, Hospital Clínic de Barcelona, Centro de Investigación Biomédica en Red en Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelon
INSERM U1312 BRIC, Université de Bordeaux, Bordeaux, France
Faculty of Health Sciences, Trinity College Dublin, Dublin, Ireland