1. Department of Biochemistry and Molecular Biology, School of Basic Medical Science Ningxia Medical University Yinchuan China
2. Department of Clinical Medicine Ningxia Medical University Yinchuan China
3. Clinical Laboratory of Yinchuan Women and Children Healthcare Hospital Yinchuan China
4. Department of Respiratory and Critical Care, General Hospital of Ningxia Medical University Ningxia Medical University Yinchuan China