1. Nurse, Agostino Gemelli University Policlinic and Catholic University of the Sacred Heart, Rome, Italy
2. Biologist, Agostino Gemelli University Policlinic and Catholic University of the Sacred Heart, Rome, Italy
3. Gastroenterologist Agostino Gemelli University Policlinic and Catholic University of the Sacred Heart, Rome, Italy
4. Proctologist Agostino Gemelli University Policlinic and Catholic University of the Sacred Heart, Rome, Italy