1. College of Mathematics and Computer Science, Fuzhou University, Fuzhou, Fujian, People's Republic of China
2. Computational Mathematics Research Center, Guizhou University of Finance and Economics, Guiyang, Guizhou, People's Republic of China
3. School of Mathematical Sciences, Xiamen University, Xiamen, Fujuan, People's Republic of China
4. Department of Mathematics, Guizhou University, Guiyang, Guizhou, People's Republic of China
5. School of Mathematical Sciences, Qufu Normal University, Qufu, Shandong, People's Republic of China