The Royal Marsden Hospital NHS Foundation Trust, London, UK
Jan Bureš
2nd Department of Internal Medicine-Gastroenterology, Charles University Faculty of Medicine in Hradec Kralove and University Hospital, Hradec Kralove, Czech Republic
Sameer Zar
The Royal Marsden Hospital NHS Foundation Trust, London, UK
Ondřej Urban
2nd Department of Internal Medicine-Gastroenterology and Geriatrics, Faculty of Medicine and Dentistry, Palacký University Olomouc and University Hospital Olomouc, Czech Republic
