1. Department of Radiology, University of Ottawa, 501 Smyth Rd, Box 232, Ottawa, ON K1H 8L6, Canada.
2. Department of Medical Imaging, The Ottawa Hospital, Ottawa, ON, Canada.
3. Champlain Local Health Integration Network, Gloucester, ON, Canada.
4. Department of Family Medicine, C. T. Lamont Primary Healthcare Research Centre, University of Ottawa, Ottawa, ON, Canada.
5. Bruyere Research Institute, Ottawa, ON, Canada.
6. Department of Medicine, University of Ottawa, Ottawa, ON, Canada.
7. Division of Endocrinology/Metabolism, The Ottawa Hospital, Ottawa, ON, Canada.