1. Department of Maxillofacial Tissue Regeneration; School of Dentistry and Institute of Oral Biology
2. Department of Biomaterials & Prosthodontics; Kyung Hee University Hospital at Gangdong, School of Dentistry
3. Department of Conservative Dentistry; Kyung Hee University Hospital at Gangdong, School of Dentistry
4. Department of Orthodontics; Kyung Hee University Hospital at Gangdong, School of Dentistry, Kyung Hee University; Seoul Korea