1. Department of Physiology and Brain Korea 21 Project for Medical Science, Yonsei University College of Medicine, Seoul 120-752, Republic of Korea
2. Division of Health Science, Department of Biomedical Laboratory Science, Dongseo University, Busan 617-716, Republic of Korea
3. Acupuncture and Meridian Science Research Center, Kyung Hee University, Seoul 130-701, Republic of Korea