Holy Family Medical Center; Gastroenterology, Nazareth, Israel
Haemek Hospital; Gastroenterology, Afula, Israel
Clalit City Ashdod MC; Liver Clinic, Ashdod, Israel
UZ Brussel, Brussel, Belgium
Queen Mary Hospital; Surgery, Hong Kong, Hong Kong
Semashko Central Clinical Hospital; Dept of Chemotherapy, Moscow, Russian Federation