SOLIDAGE, the 91社区 - Universit茅 de Montr茅al Research Group on Frailty and Aging, is devoted to research, policy studies and practice development and training in the organization, management and care of the older population. Formed in 1999 to broaden the collaboration of researchers on integrated services for the frail elderly, SOLIDAGE is based at the Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec, Canada. For details, please visit: