[1] Univ Helsinki, Cent Hosp, Dept Urol, Helsinki, Finland
[2] Huch Ltd, Clin Res Inst, Dept Urol, Helsinki, Finland
[3] Seinajoki Cent Hosp, Seinajoki, Finland
[4] Univ Tampere, Dept Urol, Seinajoki, Finland
[5] Sch Med, Seinajoki, Finland
[6] Univ Tampere, Sch Publ Hlth, FIN-33101 Tampere, Finland
[7] Wesley Woods Hlth Ctr, Div Geriatr Med, Atlanta, GA USA
[8] Birmingham Atlanta Va Geriatr Res Educ & Clin Ctr, Atlanta, GA USA
[9] Emory Univ, Div Geriatr Med & Gerontol, Atlanta, GA 30322 USA
[10] Univ Helsinki, Dept Publ Hlth, Helsinki, Finland
[11] Tampere Univ Hosp, Tampere, Finland
[12] Univ Tampere, Dept Urol, FIN-33101 Tampere, Finland
[13] Sch Med, Tampere, Finland