1. Medical Laboratory Hospital of Cardiovascular and Cerebrovascular Diseases General Hospital of Ningxia Medical University Yinchuan China
2. Medical Experiment Center General Hospital of Ningxia Medical University Yinchuan China
3. Department of Laboratory Medicine Shizuishan Second People's Hospital Shizuishan China
4. General Hospital of Ningxia Medical University Yinchuan China
5. Xiangya Hospital of Central South University Hunan China
6. Department of Medicine Aab Cardiovascular Research Institute University of Rochester School of Medicine and Dentistry Rochester NY USA