1. Sleep Disorders Center, Misericordia Health Center, University of Manitoba, Winnipeg, Canada
2. YRT Limited, Winnipeg, Manitoba, Canada
3. Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
4. Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
5. Sleep Centre, Foothills Medical Centre, Calgary, Alberta, Canada
6. Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada