1. Department of Pathology, Affiliated Hui Zhou Hospital (The Third People's Hospital of Huizhou), Guangzhou Medical University Huizhou City, Huizhou, People's Republic of China.
2. Key Laboratory for Atherosclerology of Hunan Province, Institute of Cardiovascular Disease, University of South China, Hengyang, People's Republic of China.
3. Department of Clinical Laboratory, Affiliated Nanhua Hospital, University of South China, Hengyang, People's Republic of China.
4. Department of Ultrasonic Diagnosis, Affiliated First Hospital, Hebei Medical University, Shi Jiazhuang, People's Republic of China.