1. School of Statistics University of International Business and Economics Beijing China
2. Department of Physics, Astronomy and Mathematics University of Hertfordshire London United Kingdom
3. Research Center for Mathematics Beijing Normal University Zhuhai China
4. Guangdong Provincial Key Laboratory of Interdisciplinary Research and Application for Data Science BNU‐HKBU United International College Zhuhai China
5. School of Business and Economics Humboldt‐Universität zu Berlin Berlin Germany
6. National Yang Ming Jiao Tung University Hsinchu Taiwan
7. Charles University Prague Czech Republic
8. Center for Applied Statistics, School of Statistics Renmin University of China Beijing China