1. School of Mathematics and Computing Science, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China
2. Beijing International Center for Mathematical Research and Biodynamic Optical Imaging Center, Peking University, Beijing 100871, China
3. Department of Mathematics, Faculty of Science and Technology, University of Macau, Av. Padre Tomás Pereira, Taipa Macau, China
4. UMacau Zhuhai Research Institute, Zhuhai, 519080, Canton province, China