1. School of Electrical Engineering and Computer Science, University of Queensland , Brisbane, QLD , Australia
2. Department of Technical Physics, University of Eastern Finland , Kuopio , Finland
3. Diagnostic Imaging Center, Kuopio University Hospital , Kuopio , Finland
4. Science Service Center, Kuopio University Hospital , Kuopio , Finland
5. Division of Sleep and Circadian Disorders, Department of Medicine, Brigham & Women’s Hospital & Harvard Medical School , Boston, MA , USA
6. Department of Respiratory and Sleep Medicine, Princess Alexandra Hospital , Brisbane, QLD , Australia
7. Institute of Health and Biomedical Innovation, Queensland University of Technology , Brisbane, QLD , Australia