1. Department of Biofunctional Medicine & Diagnostics, College of Korean Medicine, Kyung Hee University, Seoul 130-702, Republic of Korea
2. Department of Oriental Biomedical Engineering, College of Health Science, Sangji University, Wonju 220-702, Republic of Korea
3. Department of Human Informatics of Korean Medicine, Interdisciplinary Programs, Kyung Hee University, Seoul 130-701, Republic of Korea
4. Department of Mechanical Engineering, College of Engineering, Kyung Hee University, Yongin 446-701, Republic of Korea