1. Department of Preventive Dentistry, College of Dentistry, Jouf University, Skaka, Aljouf, KSA
2. Center for Transdisciplinary Research (CFTR), Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
3. Department of Public Health, Faculty of Allied Health Sciences, Daffodil lnternational University, Dhaka, Bangladesh
4. Department of Preventive Dentistry, College of Dentistry, University of Hail, Hail, Saudi Arabia, KSA
5. Department of Internal Medicine, College of Medicine, Jouf University, Skaka, Aljouf, KSA