Objective 1: to describe the feasibility (defined as acceptability, compliance, recruitment and retention) of the two intervention models and control; Secondary outcome measures: Objective 2: to test their tolerability (patients' perception) and safety (number of adverse events due to the exercise); Objective 3: to explore the effect of the interventions on clinical outcomes (muscle mass, treatment related toxicities, strength, functional capacity, quality of life, fatigue); Objective 4: to evaluate the associated health resources use (unplanned medical appointments, acute and emergency visits and hospital admissions) in the intervention and control arms.