1. Department of Orthodontics; Faculty of Dentistry; Bezmialem University; Istanbul; Turkey
2. Division of Orthodontics; Faculty of Dentistry; University of Manitoba; Winnipeg; MB; Canada
3. Department of Orthodontics; Faculty of Dentistry; Erciyes University; Kayseri; Turkey
4. Department of Preventive Dental Science; Faculty of Dentistry; University of Manitoba; Winnipeg; MB; Canada