1. Department of Respiratory and Sleep Medicine Royal Darwin Hospital Darwin Northern Territory Australia
2. College of Medicine and Public Health Flinders University Adelaide South Australia Australia
3. Faculty of Medicine and Health University of New South Wales Sydney New South Wales Australia
4. College of Health and Human Sciences Charles Darwin University Darwin Northern Territory Australia
5. Darwin Respiratory and Sleep Health Darwin Private Hospital Darwin Northern Territory Australia
6. Department of Technical Physics University of Eastern Finland Kuopio Finland
7. Department of Medical Imaging Royal Darwin Hospital Darwin Northern Territory Australia
8. Curtin Medical School Perth Western Australia Australia