School of Rehabilitation, Faculty of Medicine, University of Montreal and Centre de recherche, Institut universitaire de gériatrie de Montréal, Montreal, Quebec, Canada. Faculty of Nursing, University of Alberta, Edmonton, Alberta, Canada. Departments of Obstetrics and Gynecology, Urology and Epidemiology, University of Iowa, Iowa City, Iowa. Department of Medicine, University of Alabama at Birmingham and Birmingham/Atlanta Geriatric Research, Education, and Clinical Center, Department of Veterans Affairs, Birmingham, Alabama. Nursing, Midwifery and Allied Health Professions Research Unit, Glasgow Caledonian University, Glasgow, Scotland, United Kingdom. Division of Applied Health Sciences, University of Aberdeen, Aberdeen, Scotland, United Kingdom. Croydon Urogynaecology and Pelvic Floor Reconstruction Unit, Croydon, University Hospital, Thornton Heath, London, United Kingdom. Department of Health Sciences, University of Leicester, Leicester, United Kingdom.