1. School of Microelectronics and Communication Engineering, Chongqing University, Chongqing, China
2. Bioengineering College of Chongqing University, Chongqing University, Chongqing, China
3. School of Information Science and Technology, University of Science and Technology of China, Hefei, China
4. Institutes of Physical Science and Information Technology, Anhui University, Hefei, China