1. Core Laboratory of Translational Medicine; State Key Laboratory of Kidney Disease; Chinese PLA General Hospital; 28 Fu-Xing Road Beijing 100853 China
2. School of Medicine; Nankai University; 94 Weijin Road Tianjin 300071 China
3. Department of Clinical Biochemistry; Chinese PLA General Hospital; 28 Fu-Xing Road Beijing 100853 China