1. Gastrointestinal Endoscopy Unit Humanitas Mater Domini Castellanza Italy
2. Humamitas University Castellanza Italy
3. Endoscopy Unit Carlo Poma Hospital Mantova Italy
4. Department of Surgical Sciences University of Torino Torino Italy
5. Endoscopy Unit Morgagni‐Pietrantoni Hospital Forlì Italy
6. Radiology Humanitas Mater Domini Castellanza Italy
7. Gastroenterology and Digestive Endoscopy Unit Ospedali Riuniti Marche Nord Pesaro Italy
8. Gastrointestinal and Digestive Endoscopy Unit Civile di Baggiovara Hospital AOU Modena Modena Italy
9. Digestive Endoscopy Unit Istituto Clinico Humanitas Research Hospital Milan Italy