1. Senior Lecturer, Pediatric dentistry, Clinical Oral Health Sciences, School of Dentistry, International Medical University, Malaysia, 57000.
2. BDS (MMMC) Klinik Pergigian C H Tee, 35-1,37-1,37, Jalan Sutera, Taman Sentosa, 80150 Johor Bahru, Johor.
3. BDS (MUCM). BKPNM, Klinik Pergigian Melaka Tengah, Jalan Tun Sri Lanang, 75100,Melaka, Malaysia.
4. BDS (MMMC) Klinik Pergigian BRS, Sunsuria Forum, C-1-01, Setia Alam, Seksyen U13, Shah Alam,40170 Selangor.
5. Department of Community Medicine, Manipal University College Malaysia, Melaka 75150, Malaysia.