1. Department of Respiratory and Sleep Medicine; Royal North Shore Hospital; Sydney New South Wales
2. Faculty of Medicine; The University of Sydney; New South Wales
3. School of Dentistry; The University of Western Australia; Nedlands Western Australia
4. Department of Orthodontics; The University of Sydney; Sydney Dental Hospital; Sydney and South Western Sydney Local Health Districts; New South Wales
5. Discipline of Paediatrics and Child Health; The University of Sydney; New South Wales
6. Department of Paediatric Otolaryngology; The Children's Hospital at Westmead; New South Wales
7. SIDS and Sleep Apnoea Research Group; The Children's Hospital at Westmead; New South Wales