[1
]Michael G. DeGroote Institute for Pain Research and Care, McMaster University, Hamilton,
Ontario, Canada
[2
]Department of Anesthesia, McMaster University, Hamilton, Ontario, Canada
[3
]Department of Health Research Methods, Evidence, and Impact, McMaster University,
Hamilton, Ontario, Canada
[4
]Michael G. DeGroote Centre for Medicinal Cannabis Research, McMaster University, Hamilton,
Ontario, Canada
[5
]Chinese Cochrane Centre, West China Hospital, Sichuan University, Chengdu
[6
]Faculty of Medicine, Ain Shams University, Cairo, Egypt
[7
]Department of Family Medicine, McMaster University, Hamilton, Ontario, Canada
[8
]Krembil Research Institute, University Health Network, University of Toronto, Toronto,
Ontario, Canada
[9
]Now with the Canadian Agency for Drugs and Technologies in Health (CADTH), Toronto,
Ontario, Canada
[10
]Pharmaceutical Science, University of Sorocaba, Sao Paulo, Brazil
[11
]Leonardo Hirslanden Klinik Birshof, Münchenstein, Switzerland
[12
]Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada
[13
]Department of Internal Medicine, Hospital Alemán de Buenos Aires, Buenos Aires, Argentina
[14
]Department of Anesthesiology and Pain Medicine, University of Ottawa, Ottawa, Ontario,
Canada
[15
]Department of Anesthesiology, Perioperative and Pain Medicine, University of Calgary,
Calgary, Alberta, Canada
[16
]Department of Family Medicine, Max Rady College of Medicine, University of Manitoba,
Winnipeg, Canada
[17
]Department of Anesthesia, University of Toronto, Toronto, Ontario, Canada
[18
]Department of Medicine, University of Toronto, Toronto, Ontario, Canada
[19
]Accident and Emergency Department, Queen Mary Hospital, Pokfulam, Hong Kong, China
[20
]Accident and Emergency Department, Tuen Mun Hospital, Hong Kong, China
[21
]Department of Medicine, Gjøvik, Innlandet Hospital Trust, Norway
[22
]Department of Hygiene and Dietetics, Faculty of Medicine, Jagiellonian University
Medical College, Krakow, Poland
[23
]Institute for Clinical Epidemiology and Biostatistics, University of Basel Hospital,
Basel, Switzerland
[24
]Department of Clinical Research, University of Basel Hospital, Basel, Switzerland.
[25
]Department of Anesthesiology, Operative Intensive Care, Preclinical Emergency Medicine
and Pain Management, University of Basel Hospital, Basel, Switzerland
[26
]Isfahan Medical Education Research Centre, Isfahan University of Medical Sciences,
Isfahan, Iran
[27
]Canadian Academy of Osteopathy, Hamilton, Ontario, Canada
[28
]Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
[29
]Department of Community Health and Epidemiology, Dalhousie University, Halifax, Nova
Scotia, Canada
[30
]Department of Outcomes Research, Anesthesiology Institute, Cleveland Clinic, Cleveland,
Ohio