[1] Univ Melbourne, Fac Med Dent & Hlth Sci, Dept Med, Melbourne, Vic 3065, Australia
[2] Royal Melbourne Hosp City Campus, Dept Med, Parkville, Vic, Australia
[3] St Vincents Hosp Melbourne Pty Ltd, Palliat Care, Fitzroy, Vic, Australia
[4] Royal Melbourne Hosp City Campus, Dept Palliat Care, Parkville, Vic, Australia
[5] Univ Texas MD Anderson Canc Ctr, Dept Palliat Care Rehabil & Integrat Med, Houston, TX USA
[6] Univ Melbourne, Fac Med Dent & Hlth Sci, Melbourne, Vic, Australia
[7] Monash Univ, Clayton, Vic, Australia
[8] Alfred Hosp, Melbourne, Vic, Australia
[9] Oregon Hlth & Sci Univ, Div Pulm Allergy & Crit Care Med, Portland, OR USA
[10] Univ Minnesota, Dept Family & Community Hlth, Med Sch, Minneapolis, MN USA
[11] Kaiser Permanente Bernard J Tyson Sch Med, Pasadena, CA USA
[12] Lund Univ, Dept Clin Sci Lund Resp Med, Lund, Sweden
[13] Univ Queensland, Brisbane, Qld, Australia
[14] Prince Charles Hosp, Chermside, Qld, Australia
[15] Austin Hosp, Resp & Sleep Med, Heidelberg, Vic, Australia
[16] Seirei Mikatahara Gen Hosp, Hamamatsu, Shizuoka, Japan
[17] Pontificia Univ Catolica Chile, Santiago, Chile
[18] Univ Exeter, Med Sch, Coll Med & Hlth, Exeter, England
[19] Natl Taiwan Univ, Dept Family Med, Taipei, Taiwan