1. Discipline of Orthodontics Department of Family Oral Health Universiti Kebangsaan Malaysia Jalan Raja Muda Abdul Aziz Kuala Lumpur Federal Territory of Kuala Lumpur50300Malaysia
2. Dental Public Health School of Dentistry International Medical University 126, Jln Jalil Perkasa 19, Bukit Jalil Kuala Lumpur Federal Territory of Kuala Lumpur57000Malaysia