1. Department of Statistics and Data Science, Faculty of Science and Technology, Beijing Normal University-Hong Kong Baptist University United International College, Zhuhai, People’s Republic of China
2. Guangdong Provincial Key Laboratory of Interdisciplinary Research and Application for Data Science, BNU-HKBU United International College, Zhuhai, People's Republic of China
3. Department of Mathematics, Faculty of Science, Zagazig University, Zagazig, Egypt