[1] Univ Adelaide, Dept Hlth & Med Sci, Adelaide, SA, Australia
[2] Cent Adelaide Local Hlth Network, Older Persons Mental Hlth Serv Dept, Adelaide, SA, Australia
[3] Northern Adelaide Local Hlth Network, Forens Mental Hlth Serv, Adelaide, SA, Australia
[4] Univ New South Wales, Sch Psychiat, Sydney, NSW, Australia
[5] Ramsay Hlth Care SA Mental Hlth Serv, Dept Mental Hlth, Adelaide, SA, Australia
[6] Northern Adelaide Local Hlth Network, Dept Mental Hlth, Adelaide, SA, Australia