1. Department of General Dentistry; Eastman Institute for Oral Health; University of Rochester; Rochester NY USA
2. Faculty of Dentistry; Department of Periodontology; Ziauddin University; Karachi Pakistan
3. Private Dental Practitioner; Doha Qatar
4. Department of Orofacial Pain and Temporomandibular Joint Disorders; Eastman Institute for Oral Health; University of Rochester; Rochester NY USA
5. Department of Preventive Dental Sciences; College of Dentistry; Imam Abdulrahman Bin Faisal University; Dammam Kingdom of Saudi Arabia