1. Unit of Hybrid Interventional Endoscopy, Department of Gastroenterology, Mediterraneo Hospital, Athens, Greece
2. Department of Gastroenterology, CentraCare, St. Cloud, Minnesota, USA
3. Department of Oncology, Brisbaneʼs Princess Alexandra Hospital, Brisbane, Australia
4. Department of Gastroenterology, Brisbaneʼs Princess Alexandra Hospital, Brisbane, Australia