[1] Hong Kong Polytech Univ, Sch Nursing, Hong Kong, Hong Kong, Peoples R China
[2] Australian Catholic Univ, Ctr Heart & Mind, Melbourne, Vic, Australia
[3] Univ Melbourne, Dept Psychiat, Melbourne, Vic, Australia
[4] Eastern Hlth, Turning Point, Melbourne, Vic, Australia
[5] Monash Univ, Melbourne, Vic, Australia
[6] Victoria Univ, Coll Hlth & Biomed, Ctr Chron Dis, Discipline Nursing, Melbourne, Vic, Australia