Reply.
School of Medicine, The Catholic University of Korea, Seoul, South Korea.
Kyu-Ho
KH
Yi
Department and Research Institute of Rehabilitation Medicine, Severance Rehabilitation Hospital, Yonsei University College of Medicine, Seoul, Korea.
Dong-Wook
DW
Rha
Division in Anatomy and Developmental Biology, Department of Oral Biology, Human Identification Research Center, BK21 PLUS Project, Yonsei University College of Dentistry, Seoul, Korea.
Hee-Jin
HJ
Kim
Division in Anatomy and Developmental Biology, Department of Oral Biology, Human Identification Research Center, BK21 PLUS Project, Yonsei University College of Dentistry, Seoul, Korea.
Kyung-Seok
KS
Hu