Statement: in the primary clinical trial, neither group members are obliged to have surgery or any oral drug intake as part of the treatment process.
Primary_evidence: INTERVENTION 1:    No Exercise   Multivitamin Arm + Calcitriol Arm:Calcitriol pill taken once per week INTERVENTION 2:    Exercise   Exercise Arm: Exercise consisting of progressive walking and resistance band training   Calcitriol+ Exercise Arm: Calcitriol pill taken once per week + Exercise