1Department of Gastroenterology, Lithuanian University of Health Sciences, 50161 Kaunas, Lithuania
2Gastroenterology Unit, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-Princesa), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Universidad Autónoma de Madrid (UAM), Diego de León, 62, 28006 Madrid, Spain
3Department of Surgical and Medical Sciences, IRCCS AOUBO, University of Bologna, 40138 Bologna, Italy
4Agencia Sanitaria Costa del Sol, Red de Investigación en Servicios de Salud en Enfermedades Crónicas (REDISSEC), 29651 Marbella, Spain
5Department of Gastroenterology, AM DC Rogaska, 3250 Rogaska Slatina, Slovenia
6Department of Gastroenterology, Hospital de Valme, 41014 Seville, Spain
7Department of Gastroenterology, A.S. Loginov Moscow Clinical Scientific Center, 111123 Moscow, Russia
8Department of Gastroenterology, Hospital General de Tomelloso, 13700 Tomelloso, Spain
9IIS Aragón y Facultad de Medicina de la Universidad de Zaragoza, 50009 Zaragoza, Spain
10Gastroenterology Unit, Hospital Universitario Central de Asturias, 33011 Oviedo, Spain
11Department of Gastroenterology, Gastrocentre, 614068 Perm, Russia
12Department of Gastroenterology, Interni Oddelek, Diagnostic Centre, 4260 Bled, Slovenia
13Hospital Donostia, Instituto Biodonostia, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Universidad del País Vasco (UPV/EHU), 20018 San Sebastián, Spain
14Modern Hospital, 1119 Baku, Azerbaijan
15Department of Gastroenterology, Digestive Diseases Centre Gastro, Institute of Clinical and Preventive Medicine and Faculty of Medicine, University of Latvia, Riga, 1079 Latvia
16Department of Gastroenterology, Østfold Hospital Trust, 1714 Grålum, Norway
17Memorial Klinik, 1096 Baku, Azerbaijan
18Department of Gastroenterology, A.S. Loginov Moscow Clinical Scientific Center, 111123 Moscow, Russia
19A.I. Yevdokimov Moscow State University of Medicine and Dentistry, 127473 Moscow, Russia
20Tver State Medical University, 170100 Tver, Russia
21Medicina Interna, Fondazione Policlinico Universitario A. Gemelli Istituto di Ricovero e Cura a Carattere Scientifico, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
22Government Institution “L.T.Malaya Therapy National Institute of the National Academy of Medical Sciences of Ukraine”, Kyiv, Ukraine
23Department of Gastroenterology, Henry Dunant Hospital, 115 26 Athens, Greece
24Department of Gastroenterology, Centro Hospitalar do Porto Institute of Biomedical Sciences Abel Salazar, Centro de Investigação em Tecnologias e Serviços de Saúde, University of Porto, 4050-313 Porto, Portugal
25Department of Gastroenterology, Aberdeen Royal Infirmary, Aberdeen, AB25 2ZN UK
26Faculty of Health Sciences, Trinity College Dublin, Dublin, D02PN40 Ireland
27Department of Gastroenterology, University Hospital of Split, University of Split School of Medicine, 21000 Split, Croatia
28Division of Gastroenterology, Rabin Medical Center, Sackler School of Medicine, Tel Aviv University, 49100 Tel Aviv, Israel
29Department of Gastroenterology, Ferencváros Health Centre, 1095 Budapest, Hungary
302nd Department of Internal Medicine and Gastroenterology, University Hospital and Charles University, Faculty of Medicine in Hradec Králové, 500 03 Hradec Králové, Czech Republic
31Division of Gastroenterology and Hepatology, Hacettepe University School of Medicine, 06230 Ankara, Turkey
32Department of Gastroenterology, CHRU de Nantes, Hôpital Hôtel Dieu, 44000 Nantes, France
33Department of Gastroenterology, Clinical Center of Serbia, University of Belgrade School of Medicine, 11000 Belgrade, Serbia
34Department of Gastroenterology, Pomeranian Medical University, 70-204 Szczecin, Poland
35Department of Gastroenterology, Otto-Von-Guericke University, 39120 Magdeburg, Germany
36Department of Gastroenterology, Medical Microbiology, Medical University of Sofia, 1431 Sofia, Bulgaria
37Division of Gastroenterology and Hepatology, Medical University Department, Kantonsspital Aarau, 5001 Aarau, Switzerland
38Department of Gastroenterology, Meander Medical Center, 3813 TZ Amersfoort, The Netherlands
39GOES Research Group, Althaia Xarxa Assistencial Universitària de Manresa, 08243 Manresa, Spain
40Department of Gastroenterology, Hospital Clínic Barcelona, Centro de Investigación Biomédica en Red en Enfermedades Hepáticas y Digestivas (CIBEREHD), IDIBAPS (Institut d’Investigacions Biomèdiques August Pi i Sunyer), University of Barcelona, 08036 Barcelona, Spain
41INSERM U1312, Université de Bordeaux, 33000 Bordeaux, France
42Internal Medicine and Gastroenterology Department, Azerbaijan State Advanced Training Institute for Doctors named after A. Aliyev, Baku, Azerbaijan
43Kazan State Medical University, Kazan, Tatarstan, Russia
44Digestive Ukrainian Academy of Medical Sciences, Kyiv, Ukraine
45Gastroenterology Unit, Consorci Hospital General Universitari Valencia, Valencia, Spain