[1] Univ Caldas, Fac Hlth Sci, Res Grp Geriatr & Gerontol, Sede Versalles, Manizales, Colombia
[2] Univ Montreal IRSPUM, Res Inst Publ Hlth, Montreal, PQ, Canada
[3] Queens Univ, Dept Publ Hlth Sci, Kingston, ON, Canada
[4] Univ Hawaii Manoa, Off Publ Hlth Studies, Honolulu, HI 96822 USA
[5] Univ Fed Rio Grande do Norte, Dept Physiotherapy, Natal, RN, Brazil
[6] Inst Publ Hlth, Tirana, Albania
[7] Univ Maryland, Sch Med, Dept Epidemiol & Publ Hlth, Baltimore, MD 21201 USA