1. Faculty of Dentistry, and Institute of Health Sciences Education McGill University Montreal Quebec Canada
2. Centre for Dental Public Health and Primary Care Institute of Dentistry Barts and The London School of Medicine and Dentistry Queen Mary University of London London UK
3. Pathway Homelessness and Inclusion Oral Health Fellow University College London Hospitals NHS Foundation Trust London UK
4. Dental Health Services Research Unit School of Dentistry University of Dundee Dundee UK