Chenguang Liu, Chisheng Wang, Shenzhen University, China; Xiangli Yang, Chongqing Jiaotong University, China; Dejin Zhang, Shenzhen University, China; Hong Sun, Wuhan University, China; Rui Ge, Shenzhen University, China; Shuo Chen, Ping An Bank Co., Ltd, China; Qingquan Li, Shenzhen University, China