Subjects were excluded if they had severe cognitive impairment, rapidly progressive or terminal illness, acute illness or unstable chronic illness, myocardial infarction or a fracture of the lower limb, within the six months prior to inclusion.
Subjects were excluded if they had severe cognitive impairment, rapidly progressive or terminal illness, acute illness or unstable chronic illness, myocardial infarction or a fracture of the lower limb, within the six months prior to inclusion.