1. Department of Surgery and Asan Institute for Life Sciences, Ulsan University College of Medicine & Asan Medical Center, Poognap-dong, Songpa-gu, Seoul 138–736, Korea
2. Gyeong-gi Regional Research Center, Hankyong National University, Ansung-city, Gyeonggi-do 456–749, Korea
3. Taepyung Oriental Medicine Clinic, Shindang-dong, Jung-Ku, Seoul 236–423, Korea
4. Department of Immunology, College of Medicine, Konkuk University, Danwol dong, Chungju 380–701, Korea