1. Department of Physical Therapy, College of Health Science, Korea University: 145 Anam-ro, Hana Science Building B, Seongbuk-gu, Seoul 136-701, Republic of Korea
2. Department of Physical Therapy, Nicole Wertheim College of Nursing and Health Sciences, Florida International University, USA
3. Department of Pharmacology, College of Pharmacy, Catholic University of Daegu, Republic of Korea