1. Department of Kinesiology and Health Promotion, University of Kentucky, Lexington
2. Faculty of Kinesiology, University of Calgary, AB, Canada
3. Departments of Radiology, University of Calgary, AB, Canada
4. Community Health Sciences and Pediatrics, University of Calgary, AB, Canada. Ms Kendall is now at Queensland University of Technology, Brisbane, Australia
5. Faculty of Nursing, University of Calgary, AB, Canada