1. Department of Microbial and Biochemical Pharmacy, College of Pharmaceutical Science, Beihua University, Changchun, Jilin 132013, P.R. China
2. Department of Immunology, Norman Bethune College of Medicine, Jilin University, Changchun, Jilin 130021, P.R. China
3. Department of Physiology, Shiga University of Medical Science, Otsu, Shiga 520‑2192, Japan