University of Leuven, University Hospital Gasthuisberg, Leuven, Belgium
University Hospital Poliklinikou Milosrdní bratia, spol. s r.o, Bratislava, Slovakia
Jessenius Faculty of Medicine, Comenius University, Martin, Slovakia
University Clinical Center Clinic for Internal Diseases, Tuzla, Bosnia and Herzegovina
University of Pécs, Clinical Centre, Medical School, Pécs, Hungary
Medical University Wroclaw, Wroclaw, Poland
University Hospital Brno, Brno, Czechia
Donetsk National Medical University | DNMU, Donetsk, Ukraine
Iuliu Hatieganu University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
Fan S. Noli University, Korçe, Albania
Medical Centre, Hungarian Defence Forces, Budapest, Hungary
ResTrial GastroEndo Ltd., Prague, Czechia
University Clinical Center Tuzla, Tuzla, Bosnia and Herzegovina
University Hospital and Faculty of Medicine Masaryk's University, Brno, Czechia
Clinical Centre of Serbia Clinic for Gastroenterology, Belgrade, Serbia
Clinical Center Sarajevo, Sarajevo, Bosnia and Herzegovina
University of Belgrade Clinical Center of Serbia Gastroenterology and Hepatolog, Belgrade, Serbia
Katedra I Klinika Gastroenterologii I Hepatologii Uniwersytet Medyczny Wroclaw, Wroclaw, Poland
National University of Life and Environmental Sciences of Ukraine., Kyiv, Ukraine
Charles University Faculty of Medicine, University Hospital in Hradec Kralove, Hradec Kralove, Czechia
Clinic of Gastroenterohepatology, Skopje, North Macedonia
University Military Hospital Prague, Prague, Czechia
Medical school of PJ Safarik University, Kosice, Slovakia
Medical University of Silesia, Faculty of Medical Sciences in Katowice, Sosnowiec, Poland