Sichuan Normal University, University of Electronic Science and Technology of China (UESTC), University of Electronic Science and Technology of China (UESTC), University of Electronic Science and Technology of China (UESTC), University of Electronic Science and Technology of China (UESTC), University of Electronic Science and Technology of China (UESTC), University of Electronic Science and Technology of China (UESTC), Ulm University, University of Electronic Science and Technology of China (UESTC) and The University of Hong Kong