[1] Hospital Clinico Universitario Lozano Blesa,Department of Medicine
[2] Oslo University Hospital,Service of Gastroenterology
[3] Hospital Garcia de Orta,Department of Gastroenterohepatology, Istanbul Medical Faculty
[4] CiiEM — Instituto Superior do Ciências da Saúde Egas Moniz,2nd Department of Internal Medicine
[5] Istanbul University,Service de Gastroentérologie
[6] Athens University Medical School,Division of Gastroenterology
[7] Hippokration Hospital of Athens,Medical Evidence Centre
[8] Cliniques Universitaires St-Luc,Medical Department
[9] Maresca Hospital,undefined
[10] Global Medical Affairs,undefined
[11] AstraZeneca,undefined
[12] AstraZeneca,undefined