1. Central Laboratory of Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
2. Institute of Basic and Translational Medicine, Xi'an Medical University, Shaanxi Key Laboratory of Ischemic Cardiovascular Disease, Xi'an, Shaanxi 710021, P.R. China
3. Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, Shaanxi 710069, P.R. China