Affiliation: | 1. Department of Cardiology, the Affiliated Xiamen Cardiovascular Hospital of Xiamen University, Medical College of Xiamen University, Xiamen 361004, China;2. High-field NMR Research Center, MOE Key Laboratory of Spectrochemical Analysis& Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China;3. Department of Ob/Gyn and Neonatal and Reproductive Medicine, the People''s Liberation Army 174th Hospital and the Affiliated Hospital of Xiamen University, Xiamen 361003, China;4. Union Clinical Medical College of Fujian Medical University, Fuzhou 350001, China;5. Department of Physical Education, Xiamen University of Technology, Xiamen 361021, China |