1. University of Sydney, Sydney, New South Wales, Australia
2. Brain and Mind Centre, Sydney, New South Wales, Australia
3. Woolcock Institute of Medical Research, Sydney, New South Wales, Australia
4. Department of Respiratory and Sleep Medicine, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
5. Macquarie University, Sydney, New South Wales, Australia
6. RPA-Charles Perkins Centre Clinic, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
7. Hypersomnolence Australia, Algester, Queensland, Australia