1. Department of Periodontology, College of Dentistry, Princess Nourah Bint Abdulrahman University, Riyadh, Kingdom of Saudi Arabia.
2. Private Dental Practice, Doha, Qatar.
3. Department of Dentistry, Jinnah Postgraduate Medical Centre, Karachi, Pakistan.
4. Orofacial Pain and Temporomandibular Joint Disorders, Eastman Institute for Oral Health, University of Rochester, NY.
5. Department of General Dentistry, Eastman Institute for Oral Health, University of Rochester, NY.