[1] Univ Kebangsaan Malaysia, Fac Dent, Dept Craniofacial Diagnost & Biosci, Jalan Raja Muda Abdul Aziz, Kuala Lumpur 50300, Malaysia
[2] Univ Kebangsaan Malaysia, Fac Hlth Sci, Ctr Toxicol & Hlth Risk Studies, Programme Biomed Sci, Jalan Raja Muda Abdul Aziz, Kuala Lumpur 50300, Malaysia
[3] Univ Kebangsaan Malaysia, Fac Dent, Dept Restorat Dent, Jalan Raja Muda Abdul Aziz, Kuala Lumpur 50300, Malaysia