CAlorie and Protein REstriction PROgram in Barrett's Esophagus Patients (CARE-PRO).

"Patient in intervention arm will be given individualized dietary advice on the basis of WCRF/AICR recommendations. The aim of healthy dietary advice will be the reduction of patient's total daily calorie intake up to 600 kcal below their energy requirements and 0.8g of protein/Kg body weight mostly form plant-origin food.~Patients, periodically, will meet the dietitian for a 45-minute nutritional counselling session and a trained nurse for a 15-minute health coaching session.~Each patient in the IA will be involved in at least three 4-hour cooking classes.~Patients in the IA, after a medical/cardiac evaluation to assure their physical ability for exercise, will attend Nordic walking sessions of moderate intensity two times per month during the 24 months of intervention."