1. Department of Meridian & Acupoint, College of Oriental Medicine, Daejeon University, #12407, 96-3, Yongun-dong, Dong-gu, Daejeon, 300-716, Republic of Korea
2. Department of Acupuncture, College of Oriental Medicine, Daejeon University, Republic of Korea
3. Department of Biomedical Engineering, College of Medicine, Seoul National University, Republic of Korea