[1] Univ New South Wales UNSW Sydney, Dementia Ctr Res Collaborat, AGSM Bldg, Sydney, NSW 2052, Australia
[2] UNSW Sydney, Sch Psychiat, Ctr Hlth Brain Ageing, Sydney, NSW 2052, Australia
[3] La Trobe Univ, Sch Psychol & Publ Hlth, Dept Publ Hlth, Melbourne, Vic 3086, Australia
[4] Univ Wollongong, Sch Hlth & Soc, Wollongong, NSW 2522, Australia
[5] UNSW Sydney, Sch Publ Hlth & Community Med, Sydney, NSW 2052, Australia
[6] Australian Natl Univ, Res Sch Populat Hlth, Dept Hlth Serv Res & Policy, Canberra, NSW 2601, Australia
[7] La Trobe Univ, Dementia Training Australia, Melbourne, Vic 3086, Australia
[8] Prince Wales Hosp, Acad Dept Old Age Psychiat, Randwick, NSW 2031, Australia