1. Department of Micro-Nano Electronics, Bio-Circuits and Systems Laboratory, Shanghai Jiao Tong University, Shanghai, China
2. State-Key Laboratory of Analog and Mixed-Signal VLSI, Institute of Microelectronics, University of Macau, Macau, China
3. Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
4. Institute of Microelectronics, Faculty of Engineering, Computer Science and Psychology, University of Ulm, Ulm, Germany