1. Orthodontics, Preventive Dentistry Department, College of Dentistry, Jouf University, Saudi Arabia
2. Department of Preventive Dentistry, College of Dentistry in Ar Rass, Qassim University, Ar Rass, Saudi Arabia
3. Department of Clinical Sciences, Center of Medical and Bio-Allied Health Sciences Research, College of Dentistry, Ajman University, Ajman, United Arab Emirates
4. Practicing in Dental Clinic, Saudi Arabia
5. School of Dental Sciences, Universiti Sains Malaysia, Kota Bharu, Kelantan, Malaysia
6. Division of Orthodontics and Dentofacial Deformities, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
7. Preventive Dentistry Department, College of Dentistry, Jouf University, Saudi Arabia
8. Preventive Dentistry Department, College of Dentistry, University of Ha'il, Saudi Arabia
9. College of Dentistry, University of Lahore, Lahore, Pakistan