1. Department of Preventive Dentistry, College of Dentistry, Jouf University, Sakaka, Saudi Arabia
2. Department of Dental Research Cell, Saveetha Institute of Medical and Technical Sciences, Saveetha Dental College and Hospitals, Chennai, Tamil Nadu, India
3. Department of Public Health, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
4. Consultant, Department of Orthodontics, Dental Centre, Prince Sultan Military Medical City, Riyadh, Saudi Arabia