1. Department of Clinical Pathology; Daejeon Health Sciences College; 77-3 Gayang2-Dong, Dong-Gu Daejeon 300-711 South Korea
2. Department of Herbal Resources, Professional Graduate School of Oriental Medicine; Wonkwang University; Iksan 570-749 South Korea
3. Immune Modulator Research Center; Korea Research Institute of Bioscience and Biotechnology; Daejeon 305-333 South Korea