1. Graduate student, Department of Orthodontics, School of Dentistry, University of Wonkwang, Iksan, South Korea
2. Professor, Department of Orthodontics, School of Dentistry, University of Wonkwang, Wonkwang Dental Research Institute, Iksan, South Korea
3. Associate Professor, Department of Orthodontics, School of Dentistry, University of Wonkwang, Wonkwang Dental Research Institute, Iksan, South Korea
4. Assistant Professor, Department of Orthodontics, School of Dentistry, University of Wonkwang, Wonkwang Dental Research Institute, Iksan, South Korea
5. Associate Professor, Department of Orthodontics, School of Dentistry, University of Wonkwang, Wonkwang Dental Research Institute, Iksan, Wonkwang Bone Regeneration Research Institute, The Korean Orthodontic Research Institute Inc, Daejeon, South Korea