1. Department of Oral Health Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, British Columbia, Canada
2. Department of Oral Medicine and Oral Diagnosis, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Korea
3. Collaboration for Outcomes Research and Evaluation, Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, British Columbia, Canada
4. Department of Biostatistics, School of Global Public Health, New York University, New York, New York
5. Division of Respiratory Medicine, Department of Pediatrics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
6. Department of Preventive Dental Science, College of Dentistry, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
7. King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
8. Department of Restorative and Prosthetic Dental Science, College of Dentistry, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
9. Division of Aging and Geriatric Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Japan
10. Faculty of Dental Medicine, Université de Montréal, Montreal, Quebec, Canada
11. Centre de Recherche, CHU Sainte-Justine, Montreal, Quebec, Canada
12. Centre for Health Evaluation and Outcome Sciences, Providence Health Research Institute, St. Paul’s Hospital, Vancouver, British Columbia, Canada;