Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, ON Canada. GRID: grid.25073.33. ISNI: 0000 0004 1936 8227 Department of Medicine, McMaster University, Hamilton, ON Canada. GRID: grid.25073.33. ISNI: 0000 0004 1936 8227 Population Health Research Institute, Hamilton, ON Canada. GRID: grid.415102.3. ISNI: 0000 0004 0545 1978 Department of Medicine, University of Montreal, Montreal, QC Canada. GRID: grid.14848.31. ISNI: 0000 0001 2292 3357 Department of Anesthesia, McMaster University, Hamilton, ON Canada. GRID: grid.25073.33. ISNI: 0000 0004 1936 8227 William Osler Health System, Brampton, ON Canada. GRID: grid.498791.a. ISNI: 0000 0004 0480 4399 Department of Surgery, University of Manitoba, Winnipeg, MB Canada. GRID: grid.21613.37. ISNI: 0000 0004 1936 9609 Department of Anesthesiology and Perioperative Medicine, Kingston General Hospital and Queen's University, Kingston, ON Canada. GRID: grid.415354.2. ISNI: 0000 0004 0633 727X Department of Outcomes Research, Anesthesiology Institute, Cleveland Clinic, Cleveland, OH USA. GRID: grid.239578.2. ISNI: 0000 0001 0675 4725 Department of Medicine, University of Western Ontario, London, ON Canada. GRID: grid.39381.30. ISNI: 0000 0004 1936 8884