1. Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Ontario, Canada
2. Perioperative and Surgery Division, Population Health Research Institute, Hamilton, Ontario, Canada
3. Michael DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada
4. Department of Psychology, Neuroscience & Behavior, McMaster University, Hamilton, Ontario, Canada
5. Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Ontario, Canada
6. Department of Health Aging & Society, McMaster University, Hamilton, Ontario, Canada
7. Department of Surgery, McMaster University, Hamilton, Ontario, Canada
8. Department of Anesthesia, McMaster University, Hamilton, Ontario, Canada
9. Department of Medicine, McMaster University, Hamilton, Ontario, Canada