1. Research School of Finance, Actuarial Studies and Statistics, Australian National University, Canberra, Australian Capital Territory, Australia
2. Center for Applied Statistics and School of Statistics, Renmin University of China, Beijing, China
3. Institute of Statistics and Data Science, Xinjiang University of Finance and Economics, Urumqi, China
4. Department of Actuarial Studies and Business Analytics, Macquarie University, Sydney, New South Wales, Australia