1. Department of Pathology, School of Biology and Basic Medical Sciences, Soochow University, Suzhou, Jiangsu 215123, P.R. China
2. Department of Pathology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China
3. Laboratory Animal Research Center, Soochow University School of Medicine, Suzhou, Jiangsu 215123, P.R. China