1. a Formerly Associate Professor, Department of Orthodontics, Ankara University, Ankara, Turkey; Private Practice, Orthodontics, Mersin, Turkey
2. b Professor, Department of Orthodontics, School of Dentistry, Ankara University, Ankara, Turkey
3. c Assistant Professor, Department of Orthodontics, School of Dentistry, Ankara University, Ankara, Turkey
4. d Professor and Chair, Division of Orthodontics, Department of Oral Health Sciences, The University of British Columbia, Vancouver, BC, Canada