1. Key Laboratory of Strongly-Coupled Quantum Matter Physics, Chinese Academy of Sciences, School of Physical Sciences, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
2. Fujian Key Laboratory of Agricultural Information Sensoring Technology, College of Mechanical and Electrical Engineering, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, P. R. China
3. Department of General Surgery and Central Laboratory, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, P. R. China