1. Edinburgh Dental Institute; University of Edinburgh; Edinburgh UK
2. School of Dentistry; University of Dundee; Dundee UK
3. Cochrane Oral Health; Division of Dentistry, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester; Manchester UK
4. Faculty of Health and Care; University of Central Lancashire; Preston UK
5. Unit of Periodontology and International Centre for Evidence-Based Oral Health; UCL Eastman Dental Institute; London UK
6. Institute of Health Informatics; University College London; London UK
7. Usher Institute; University of Edinburgh; Edinburgh UK
8. Department of Community Dentistry; Dow University of Health Sciences; Karachi Pakistan
9. The Medical Protection Society; Leeds UK
10. Orthodontic Department; Leeds Dental Institute; Leeds UK
11. University of Aberdeen; Aberdeen UK
12. School of Dentistry; University of Leeds; Leeds UK