1. School of Statistics and Mathematics Shanghai Lixin University of Accounting and Finance Shanghai China
2. Interdisciplinary Research Institute of Data Science Shanghai Lixin University of Accounting and Finance Shanghai China
3. Department of Statistics North Carolina State University Raleigh North Carolina USA
4. Department of Epidemiology and Biostatistics University of South Carolina Columbia South Carolina USA
5. College of Nursing University of South Carolina Columbia South Carolina USA
6. Institute of Applied Mathematics Chinese Academy of Science Beijing China