1. Paediatric Palliative Care Service; Division of Oncology; Royal Children's Hospital; Brisbane Queensland Australia
2. Department of Pain Medicine and Palliative Care; The Children's Hospital at Westmead; Sydney New South Wales Australia
3. Discipline of Paediatrics and Child Health; School of Medicine; University of Queensland; Brisbane Queensland Australia
4. Department of Respiratory Medicine and Respiratory Support Service; The Children's Hospital at Westmead; Sydney New South Wales Australia
5. Discipline of Paediatrics and Child Health; Sydney Medical School; University of Sydney; Sydney New South Wales Australia