[1] Univ Montreal, Fac Med, Sch Rehabil, Montreal, PQ H3C 3J7, Canada
[2] Inst Univ Geriatrie Montreal, Ctr Rech, Montreal, PQ, Canada
[3] Univ Alberta, Fac Nursing, Edmonton, AB, Canada
[4] Univ Iowa, Dept Obstet & Gynecol, Iowa City, IA 52242 USA
[5] Univ Iowa, Dept Urol, Iowa City, IA 52242 USA
[6] Univ Iowa, Dept Epidemiol, Iowa City, IA USA
[7] Univ Alabama Birmingham, Dept Med, Birmingham, AL 35294 USA
[8] Birmingham Atlanta Geriatr Res Educ & Clin Ctr, Dept Vet Affairs, Birmingham, AL USA
[9] Glasgow Caledonian Univ, Nursing Midwifery & Allied Hlth Profess Res Unit, Glasgow G4 0BA, Lanark, Scotland
[10] Univ Aberdeen, Div Appl Hlth Sci, Aberdeen, Scotland
[11] Thornton Heath, Univ Hosp, Croydon Urogynaecol & Pelv Floor Reconstruct Unit, London, England
[12] Univ Leicester, Dept Hlth Sci, Leicester, Leics, England
[13] Univ Alberta, Fac Nursing, Edmonton, AB, Canada