1. Faculty of Medicine, Universiti Sultan Zainal Abidin, 20400, Kuala Terengganu, Terengganu, Malaysia.
2. Post Graduate Student, Department of Pedodontics and Preventive Dentistry, People’s College of Dental Sciences and Research Centre, Bhopal, Madhya Pradesh, India.
3. Senior Medical Officer in Family Medicine, Klinik Kesihatan, Jalan Angsana, Pulau Pinang, Malaysia.