1. Faculty of Dentistry University of British Columbia Vancouver British Columbia Canada
2. School of Nursing, and Centre for Health Services and Policy Research University of British Columbia Vancouver British Columbia Canada
3. Suzanne Dworak‐Peck School of Social Work University of Southern California Los Angeles California
4. Faculty of Dentistry University of Hong Kong Hong Kong China
5. School of Health, Faculty of the Professions University of New England Armidale New South Wales Australia
6. Department of Oral Public Health Torabinejad Dental Research Center, Isfahan University of Medical Sciences Isfahan Iran
7. Cooperative Research Centre for Oral Health Science Melbourne Dental School, University of Melbourne Melbourne Victoria Australia