1. Department of Dentistry, Ng Teng Fong General Hospital and Faculty of Dentistry National University Health System Singapore Singapore
2. National Dental Research Institute Singapore, National Dental Centre Singapore and Duke‐NUS Medical School Singapore Health Services Singapore Singapore
3. Department of Prosthodontics, Faculty of Dentistry Trisakti University Jakarta Indonesia
4. School of Health & Social Sciences (Oral Health Therapy) Nanyang Polytechnic Singapore Singapore
5. Saw See Hock School of Public Health National University of Singapore Singapore Singapore