1. Center for Integrative Medicine, Institute of Medical Science, Wonkwang University, Iksan 570-749, Republic of Korea
2. Professional Graduate School of Oriental Medicine, Wonkwang University, Iksan 570-749, Republic of Korea
3. Department of Nursing, Wonkwang Health Science College, Iksan 570-750, Republic of Korea
4. Present address: Department of Neurology, University of Massachusetts Medical School, Worcester, MA 01655, USA
5. Department of Radiation Oncology, Wonkwang University School of Medicine, Iksan 570-711, Republic of Korea