1. Centre of Paediatric Dentistry and Orthodontics Studies, Faculty of Dentistry, Universiti Teknologi MARA, Sungai Buloh, Selangor, Malaysia
2. Centre of Studies for Periodontology, Faculty of Dentistry, Universiti Teknologi MARA, Sungai Buloh, Selangor, Malaysia
3. Department of Paediatrics, Laboratory and Forensic Medicine (I-PPerForM), Faculty of Medicine, Malaysia and Institute for Pathology, Universiti Teknologi MARA, Sungai Buloh, Selangor, Malaysia
4. Department of Restorative Dentistry, Faculty of Dentistry, Universiti Malaya, Kuala Lumpur, Malaysia
5. Paediatric Department, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
6. Department of Paediatric Dentistry and Orthodontics, Faculty of Dentistry, Universiti Malaya, Kuala Lumpur, Malaysia
7. Clinical Research Centre, Hospital Sultanah Bahiyah, Alor Setar, Kedah, Malaysia
8. Kuching Division Dental Office, Sarawak State Dental Health Department, Braang Bayur Dental Clinic, Sarawak, Malaysia