1. University of Calgary, Calgary, Alberta, Canada;
2. Research Institute of the McGill University Health Centre, Montréal, Québec, Canada;
3. University of Ontario Institute of Technology, Oshawa, Ontario, Canada;
4. University of Manitoba, Winnipeg, Manitoba, Canada;
5. Institut universitaire de cardiologie et de pneumologie de Québec, Université Laval, Québec, Québec, Canada;
6. Sleep Disorders Clinic, Queen Elizabeth II Health Sciences Centre and Dalhousie University, Halifax, Nova Scotia, Canada;
7. Stan Cassidy Centre for Rehabilitation, Fredericton, New Brunswick, Canada;
8. Meakins-Christie Laboratories, McGill University Health Centre, Montréal, Québec, Canada;
9. Division of Respirology, University of Ottawa and The Ottawa Hospital Research Institute, CANVent Respiratory Services, Ottawa, Ontario, Canada