[1] Univ Melbourne, Chron Ill Hlth, Dept Rural Hlth, Fac Med Dent & Hlth Sci, Shepparton, Vic, Australia
[2] Univ Sydney, Sch Nursing, Sydney, NSW, Australia
[3] Univ Technol Sydney UTS, Improving Palliat Aged & Chron Care Clin Trials I, Fac Hlth, Sydney, NSW, Australia
[4] Touro Univ Calif, Sch Nursing, Vallejo, CA USA
[5] Univ Calif San Francisco, Dept Physiol Nursing, San Francisco, CA USA
[6] Melbourne Hlth, Dept Resp & Sleep Med, Royal Melbourne Hosp, Melbourne, Vic, Australia
[7] Univ Melbourne, Fac Med Dent & Hlth Sci, Dept Rural Hlth, 49 Graham St, Shepparton, Vic 3630, Australia