1. Laboratory of Genetic Disease and Perinatal Medicine, West China Second University Hospital, Sichuan University, Chengdu, P.R. China.
2. Division of peptides related with human disease, West China Hospital, Sichuan University, Chengdu, P.R. China.
3. Department of Biochemistry and Molecular Biology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, P.R. China.