1. School of Mathematics, Statistics and Computer Science, College of Science, University of Tehran, Tehran, Iran
2. The Key Laboratory of Intelligent Information and Big Data Processing of NingXia Province, and Health Big Data Research Institute, North Minzu University, Yinchuan, China + University ”Politehnica” of Bucharest, Department of Mathematics and Informatics, Bucharest, Romania
3. School of Mathematical Sciences, Tiangong University, Tianjin, China + Center for Advanced Information Technology, Kyung Hee University, Seoul, South Korea