1. Wonju Public Health Center, Wonju, Korea
2. Division in Anatomy and Developmental Biology, Department of Oral Biology, Human Identification Research Institute, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, Korea
3. Department of Anatomy and Acupoint, College of Korean Medicine, Gachon University, Seongnam, Korea
4. Maylin Anti-Aging Center Apgujeong, Seoul, Korea