[1] African Hlth & Aging Res Ctr AHaARC, Winneba, Ghana
[2] Univ Tasmania, Sch Hlth Sci, Hobart, Tas, Australia
[3] Univ Newcastle, Hunter Med Res Inst, Ctr Womens Hlth Res, Callaghan, NSW, Australia
[4] Univ Ghana, Sch Publ Hlth, Dept Hlth Policy Planning & Management, Accra, Ghana
[5] Univ Santiago, Fac Ciencias Med, Programa Ctr Salud Publ, Santago, Chile
[6] Millennium Inst Caregiving Res MICARE, Santiago, Chile