1. The Sport Injury Prevention Research Centre, University of Calgary, Calgary, Alberta, Canada
2. BC Injury Research and Prevention Unit, BC Children’s Hospital, Vancouver, British Columbia, Canada
3. Parachute, Toronto, Ontario, Canada
4. York University, Toronto, Ontario, Canada
5. University of Toronto, Toronto, Ontario, Canada
6. University of Alberta, Edmonton, Alberta, Canada
7. McGill University, Montreal, Quebec, Canada
8. The University of British Columbia, Vancouver, British Columbia, Canada