[1] Univ Sydney, Brain & Mind Res Inst, Camperdown, NSW 2050, Australia
[2] Prince Wales Hosp, Black Dog Inst, Randwick, NSW 2031, Australia
[3] Univ Sydney, George Inst Global Hlth, Sydney, NSW 2006, Australia
[4] Univ Sydney, Sydney Med Sch, Discipline Psychiat, Sydney, NSW 2006, Australia
[5] Univ Sydney, Sydney Med Sch, Discipline Sleep Med, Sydney, NSW 2006, Australia