1. National Dental Research Institute Singapore, National Dental Centre Singapore, Singapore
2. Oral Health ACP, Health Services and Systems Research Programme, Duke–NUS Medical School, Singapore
3. Department of Oral Sciences, Sir John Walsh Research Institute, School of Dentistry, The University of Otago, Dunedin, New Zealand
4. Division of Oral Epidemiology and Dental Public Health, School of Dentistry, University of California–San Francisco, San Francisco, CA, USA
5. Department of Clinical Dentistry, University of Bergen, Bergen, Norway
6. Australian Research Centre for Population Oral Health, University of Adelaide, Adelaide, Australia
7. Lutheran University of Brazil, Canoas, Brazil
8. Department of Cariology, Restorative Sciences and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, MI, USA
9. Department of Preventive and Community Dentistry, College of Dentistry, University of Iowa, Iowa City, IA, USA
10. Chronic Inflammatory Diseases and Systemic Diseases Associated with Oral Health Research Group, and Department of Preventive Dentistry, Faculty of Dentistry, Khon Kaen University, Khon Kaen, Thailand
11. School of Dentistry, The University of Queensland, Brisbane, Australia
12. Department of Orthodontics, Jena University Hospital, Jena, Germany
13. Faculty of Dentistry, University of Hong Kong, Hong Kong SAR, China
14. The Borrow Foundation, Waterlooville, UK
15. School of Dental Sciences, Newcastle University, Newcastle upon Tyne, UK