Affiliation: | Y. H. Kang, K. R. Park, H. J. Kim, S. H. Lee, Department of Oral and Maxillofacial Surgery, College of Dentistry, Yonsei University, Seoul, Korea B. C. Kim, Department of Oral and Maxillofacial Surgery, Daejeon Dental Hospital, College of Dentistry, Wonkwang University, Daejeon, Korea J. Y. Yon, Department of Periodontology, Research Institute for Periodontal Regeneration, College of Dentistry, Yonsei University, Seoul, Korea H. J. Tak, Department of Applied Life Science, Brain Korea 21 Project, College of Dentistry, Yonsei University, Seoul, Korea Z. Piao, Department of Oral and Maxillofacial Surgery, Stomatology Hospital of Guangzhou Medical College, GuangZhou City, Guang Dong Province, China M. K. Kim, Department of Oral and Maxillofacial Surgery, National Health Insurance Corporation Ilsan Hospital, Goyang, Korea |