Affiliation: | 1. College of Oriental Medicine, Kyung Hee University, 1 Hoegi‐dong, Dongdaemun‐gu, Seoul 130‐701, Republic of Korea;2. Chosun Nursing College, 280 Seosuk‐dong, Dong‐gu, Kwangju, 501‐825, Republic of Korea;3. College of Life Science, Kyung Hee University, 1 Hoegi‐dong, Dongdaemun‐gu, Seoul 130‐701, Republic of Korea |