1 Department of Radiology, University of British Columbia, Vancouver, BC, Canada.
2 Department of Nuclear Medicine and Radiology, Erasmus Medical Centre, Rotterdam, The Netherlands.
3 Department of Medicine, McGill University, Montreal, QC, Canada.
4 Departments of Internal Medicine and Epidemiology, Erasmus MC, Rotterdam, The Netherlands.
5 Department of Radiology, University of Ottawa, Ottawa, ON, Canada.
6 Memorial University of Newfoundland, St. John's, NL, Canada.
7 Department of Medicine, The University of Calgary, Calgary, AB, Canada.
8 Department of Medicine, University of British Columbia, Vancouver, BC, Canada.
9 Departments of Medicine and Radiology, University of Manitoba, Winnipeg, MB, Canada.
10 Division of Endocrinology, Dalhousie University, Halifax, NS, Canada.
11 Department of Medicine, McMaster University, Hamilton, ON, Canada.
12 Department of Medical Imaging, University of Toronto, Toronto, ON, Canada.
13 Department of Medicine, Laval University, Quebec City, QC, Canada.
14 Department of Medicine and Joint Department of Medical Imaging, Centre of Excellence in Skeletal Health Assessment, University Health Network, University of Toronto, Toronto, ON, Canada.
15 Department of Medicine, Queen's University, Kingston, ON, Canada.