1. Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical College, University of South China, Hengyang, China.
2. Department of Pediatrics and The First Affiliated Hospital of University of South China, Hengyang, China.
3. Functional Department, The First Affiliated Hospital of University of South China, Hengyang, China.