1. Department of Urology, Angers University Hospital, Angers, France.
2. Division of Geriatric Medicine, Department of Neuroscience, Angers University Hospital, Angers, France.
3. Department of Geriatric Medicine, Haut Anjou Hospital, Château-Gontier, France.
4. Department of Medicine, Division of Geriatric Medicine, Sir Mortimer B. Davis-Jewish General Hospital and Lady Davis Institute for Medical Research, McGill University, Montreal, Quebec, Canada; Dr. Joseph Kaufmann Chair in Geriatric Medicine, Faculty of Medicine, McGill University, Montreal, Quebec, Canada.