1. School of Statistics and Management, Shanghai University of Finance and Economics , 777 Guoding Rd, Shanghai, China
2. Academy of Statistics and Interdisciplinary Sciences, East China Normal University , 3663 N. Zhongshan Rd, Shanghai, China
3. Key Laboratory of Advanced Theory and Application in Statistics and Data Science-MOE, School of Statistics, East China Normal University , 3663 N. Zhongshan Rd, Shanghai, China