[1] Univ Auckland, Te Arai Palliat, Sch Nursing, Private Bag 92019, Auckland 1142, New Zealand
[2] Univ Auckland, End Life Res Grp, Sch Nursing, Private Bag 92019, Auckland 1142, New Zealand
[3] Auckland Univ Technol, Paramed Res Unit, Auckland, New Zealand
[4] New Zealand Hato Hone Aotearoa, St John, Auckland, New Zealand
[5] Auckland City Hosp, Auckland Mail Ctr, Adult Emergency Dept, Private Bag 92024, Auckland 1142, New Zealand