1. Department of Family Oral Health, Faculty of Dentistry, The National University of Malaysia, Jalan Raja Muda Abdul Aziz, Kuala Lumpur 50300, Malaysia
2. Department of Diagnostic Craniofacial and Bioscience, Faculty of Dentistry, The National University of Malaysia, Jalan Raja Muda Abdul Aziz, Kuala Lumpur 50300, Malaysia
3. Industrial Biotechnology Research Centre, SIRIM Berhad, Building 19, 1, Persiaran Dato Menteri, Section 2, Shah Alam 40700, Malaysia