1. Department of Mathematics University of Auckland Auckland New Zealand
2. Telethon Kids Institute, The University of Western Australia Nedlands Western Australia Australia
3. School of Human Sciences The University of Western Australia Crawley Western Australia Australia
4. Department of Pulmonary Physiology and Sleep Medicine West Australian Sleep Disorders Research Institute, Sir Charles Gairdner Hospital Nedlands Western Australia Australia
5. Medical School The University of Western Australia Nedlands Western Australia Australia