| Anselm AH | University of Ottawa Heart Institute, Division of Cardiology, Ottawa, Ontario, Canada. |
| Bradley TD | Sleep Research Laboratory of the Toronto Rehabilitation Institute, Toronto, Ontario, Canada. |
| Gauthier N | University of Ottawa Heart Institute, Division of Cardiology, Ottawa, Ontario, Canada. |
| Haddad H | University of Ottawa Heart Institute, Division of Cardiology, Ottawa, Ontario, Canada. |
| Heckman GA | Division of Geriatric Medicine, Department of Medicine, McMaster University, Hamilton Health Services, Hamilton, Ont. heck0@sympatico.ca |
| Keyhan G | Division of Clinical Epidemiology, The Research Institute of the McGill University Health Center, 1650 Cedar Avenue, Rm L10-421, Montreal, Quebec, Canada, H3G 1A4. |
| McKelvie RS | Hamilton Health Sciences Corporation--General Site, 237 Barton Street East, L8L 2X2, Hamilton, ON, Canada. mckelrob@hhsc.ca |
| Mielniczuk LM | Cardiology Division, University of Ottawa Heart Institute, Ottawa, Ontario, Canada. lmielniczuk@ottawaheart.ca |
| Pfeffer MA | Cardiology Division, University of Ottawa Heart Institute, Ottawa, Ontario, Canada. |
| Pilote L | Division of Clinical Epidemiology, The Research Institute of the McGill University Health Center, 1650 Cedar Avenue, Rm L10-421, Montreal, Quebec, Canada, H3G 1A4. |
| Tu JV | Institute for Clinical Evaluative Sciences, University of Toronto, Ontario, Canada. |
| Wang H | Sleep Research Laboratory of the Toronto Rehabilitation Institute, Toronto, Ontario, Canada. |
| You JJ | Institute for Clinical Evaluative Sciences, University of Toronto, Ontario, Canada. |