1. Department of Physical Therapy and School of Health and Environmental Science, College of Health Science, Korea University: 145 Anam-ro, Seongbuk-Gu, Seoul 136-701, Republic of Korea
2. Department of Pharmacology, College of Pharmacy, Catholic University of Daegu, Republic of Korea
3. Department of Pharmacology, College of Medicine, Chung-Ang University, Republic of Korea