[1
]Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital of
Basel, Basel, Switzerland
[2
]Cochrane Switzerland, Institute of Social and Preventive Medicine (IUMSP), Lausanne
University Hospital, Lausanne, Switzerland
[3
]Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton,
Ontario, Canada14Department of Medicine, McMaster University, Hamilton, Ontario, Canada
[4
]German Cochrane Centre, Institute of Medical Biometry and Medical Informatics, Freiburg
University Medical Center, Freiburg, Germany
[5
]Institute of Social and Preventive Medicine, University of Zurich, Zurich, Switzerland
[6
]Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton,
Ontario, Canada15Department of Urology, Helsinki University Central Hospital, University
of Helsinki, Helsinki, Finland
[7
]Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton,
Ontario, Canada16Department of Internal Medicine, Pontificia Universidad Catolica
de Chile, Santiago
[8
]Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton,
Ontario, Canada25Evidence-Based Dentistry Unit, Faculty of Dentistry, Universidad
de Chile, Santiago
[9
]Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton,
Ontario, Canada17Department of Family Medicine, McMaster University, Hamilton, Ontario,
Canada
[10
]Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton,
Ontario, Canada
[11
]Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton,
Ontario, Canada26Michael G. DeGroote Institute for Infectious Diseases Research, McMaster
University, Hamilton, Ontario, Canada
[12
]Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton,
Ontario, Canada18Department of Internal Medicine, American University of Beirut, Beirut,
Lebanon19Department of Medicine, State University of New York at Buffalo, Buffal
[13
]Center for Pediatric Clinical Studies, Department of Neonatology, University Children’s
Hospital, Tuebingen, Germany
[14
]Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton,
Ontario, Canada20Department of Anesthesia, McMaster University, Hamilton, Ontario,
Canada27Michael G. DeGroote Institute for Pain Research and Care, McMaster University,
[15
]Epidemiology Unit, Department of Cardiology, Vall d’Hebron Hospital and CIBER de Epidemiología
y Salud Publica (CIBERESP), Barcelona, Spain
[16
]Centre de Recherche Clinique Étienne-Le Bel and Department of Medicine, Université
de Sherbrooke, Sherbrooke, Canada
[17
]Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital of
Basel, Basel, Switzerland13Institute of Nuclear Medicine, University Hospital Bern,
Bern, Switzerland
[18
]IRCCS Orthopedic Institute Galeazzi, Milano, Italy
[19
]Department of Surgery, University Hospital Basel, Basel, Switzerland
[20
]Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton,
Ontario, Canada20Department of Anesthesia, McMaster University, Hamilton, Ontario,
Canada21Stanford Prevention Research Center, Stanford University, Stanford, California
[21
]Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital of
Basel, Basel, Switzerland22Academy of Swiss Insurance Medicine, University Hospital
of Basel, Basel, Switzerland
[22
]Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton,
Ontario, Canada23Chinese Evidence-Based Medicine Center, West China Hospital, Sichuan
University, Chengdu, China
[23
]Department of Medicine, Innlandet Hospital Trust-Division Gjøvik, Oppland, Norway
[24
]Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton,
Ontario, Canada12Department of Anesthesia and Pain Medicine, Hospital for Sick Children,
Toronto, Ontario, Canada24Institute of Health Policy, Management and Evaluation,
[25
]Institute of Nuclear Medicine, University Hospital Bern, Bern, Switzerland
[26
]Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital of
Basel, Basel, Switzerland3Department of Clinical Epidemiology and Biostatistics, McMaster
University, Hamilton, Ontario, Canada