1. Department of Cardiology Laboratory, First Affiliated Hospital of University of South China, Hengyang, Hunan 421001, P.R. China
2. Department of Cardiology Laboratory, Huazhong University of Science and Technology Tongji Medical College First Clinical College, Wuhan, Hubei 430000, P.R. China
3. Institute of Cardiovascular Disease and Key Lab for Arteriosclerology of Hunan Province, University of South China, Hengyang, Hunan 421001, P.R. China