1. Royal Canadian Dental Corps, Canadian Armed Forces, Dental Unit Detachment St-Jean, Quebec J0J 1R0, Canada
2. Department of Public Health Sciences, Queen’s University, Kingston, ON, Canada
3. School of Mathematical and Computational Sciences, University of Prince Edward Island, PEI C1A 4P3, Canada
4. Bruyere Research Institute, Ottawa, ON K1N 5C8, Canada
5. Department of Community Health Sciences, University of Manitoba, Winnipeg, MB R3E 3P5, Canada