[1] Australian Natl Univ, Coll Hlth & Med, ANU Med Sch, Canberra, ACT, Australia
[2] Univ Newcastle, Fac Hlth & Med, Hunter Med Res Inst, Sch Nursing & Midwifery, Univ Dr, Callaghan, NSW 2308, Australia
[3] Univ Newcastle, Prior Ctr Hlth Behav, Univ Dr, Callaghan, NSW 2308, Australia
[4] Univ Otago, Sch Med & Hlth Sci, Dept Psychol Med, Wellington, New Zealand
[5] Univ Newcastle, Fac Hlth & Med, Sch Nursing & Midwifery, Univ Dr, Callaghan, NSW, Australia
[6] ACT Mental Hlth Consumer Network, Canberra, ACT, Australia
[7] Univ Melbourne, Fac Hlth Sci, Ctr Psychiat Nursing, Dept Nursing, Melbourne, Vic, Australia
[8] Univ Newcastle, Sch Nursing & Midwifery, Univ Dr, Callaghan, NSW, Australia
[9] Univ Newcastle, Australian Coll Appl Psychol, Fac Hlth & Med, Sch Nursing & Midwifery, Univ Dr, Callaghan, NSW, Australia