3 University of Toronto, Toronto, Ontario, Canada.
4 Dalhousie University, Halifax, Nova Scotia, Canada.
5 Department of Laboratory Medicine, Saint John Regional Hospital, Saint John, New Brunswick, Canada.
6 McGill University, Montréal, Québec, Canada.
7 University of Saskatchewan, Saskatoon, Saskatchewan, Canada.
8 Western University, London, Ontario, Canada.
9 University of Manitoba, Winnipeg, Manitoba, Canada.
10 Department of Laboratory Medicine, Faculty of Medicine and Dentistry, College of Health Sciences, University of Alberta, Edmonton, Alberta, Canada.
11 University of British Columbia, Vancouver, British Columbia, Canada.
12 Queen's University, Kingston, Ontario, Canada.
13 University of Ottawa, Ottawa, Ontario, Canada.
14 Institut de Cardiologie de Montréal, Montréal, Québec, Canada.
15 McMaster University, Hamilton, Ontario, Canada; Population Health Research Institute, Hamilton, Ontario, Canada.
16 Department of Emergency Medicine, Christchurch Hospital, Christchurch, New Zealand.
17 Department of Emergency Medicine, Christchurch Hospital, Christchurch, New Zealand; Department of Medicine, University of Otago, Christchurch, New Zealand.
18 BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom.
19 Mayo Clinic and Medical Center, Rochester, Minnesota, United States.