1. University of Edinburgh, DclinDent, Department of Orthodontics, Edinburgh, United Kingdom

2. Private Practice, Department of Orthodontics, Damascus, Syria

3. CMH Lahore Medical College and Institute of Dentistry, Lahore, Pakistan

4. Prince Sattam Bin Abdulaziz University, College of Dentistry, Department of Preventive Dental Sciences, Al-Kharj 11942, Saudi Arabia

5. University of Malta, Department of Orthodontics, Msida, Malta

6. Private Practice, Department of Orthodontics, Johannesburg, South Africa