1. Department of Orthodontics, Kırıkkale University, Kırıkkale, Turkey,
2. Department of Orthodontics, Izmir Katip Celebi University, Izmir, Turkey,
3. Department of Orthodontics, Van Yüzüncü Yıl University, Van, Turkey,
4. Department of Orthodontics, Bolu Abant Izzet Baysal University, Bolu, Turkey,