1. Orthodontic Department, Baqai Medical University, P.O. Box 2407, Karachi, Pakistan
2. Orthodontic Unit, School of Dental Sciences, Universiti Sains Malaysia, Health Campus, Kota Bharu, Kelantan, Malaysia
3. Forensic Dentistry Unit, School of Dental Science, Universiti Sains Malaysia, Health Campus, Kota Bharu, Kelantan, Malaysia
4. Prosthodontic Unit, School of Dental Sciences, Universiti Sains Malaysia, Health Campus, Kota Bharu, Kelantan, Malaysia