1. Molecular Medicine Research Center, West China Hospital , Sichuan University , Chengdu, Sichuan , P.R. China
2. West China School of Basic Medical Science and Forensic Medicine , Sichuan University , Chengdu, Sichuan , P.R. China
3. Analytical and Testing Center , Sichuan University , Chengdu, Sichuan , P.R. China