1. Department of Psychology, University of New Brunswick, Fredericton, New Brunswick, Canada
2. Department of Psychology, Memorial University of Newfoundland, St. John’s, Newfoundland and Labrador, Canada
3. Discipline of Anesthesia, Memorial University of Newfoundland, St. John’s, Newfoundland and Labrador, Canada
4. Clinical Epidemiology Program, The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
5. Department of Psychology, The Ottawa Hospital, Ottawa, Ontario, Canada
6. Department of Anesthesiology and Pain Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada