 - Physical activity questionnaire for adult subjects -Modified Baecke QuestionnaireTM- to measure the sedentary lifestyle: This test is performed on the patients in the intervention group at baseline, at discharge from the transplant hospital, at the month of discharge, and at 3, 6, and 12 months, in order to subjectively assess physical activity which subjects can develop during the first year of the transplant, and if there are limitations due to complications or readmissions. 