1. Oral Medicine Unit School of Dental Sciences Universiti Sains Malaysia Kelantan Malaysia
2. School of Dentistry College of Biomedical and Life Sciences Cardiff University Cardiff UK
3. Conservative Dentistry Unit School of Dental Sciences Universiti Sains Malaysia Kelantan Malaysia
4. Department of Oral and Maxillofacial Surgery School of Dental Sciences Universiti Sains Malaysia Kelantan Malaysia