1. School of Mathematics, Tianjin University, Tianjin, People's Republic of China
2. Agro-related Policy and Business Innovation Department, Agricultural Bank of China Limited, Beijing, People's Republic of China
3. Coordinated Innovation Center for Computable Modeling in Management Science, Tianjin University of Finance and Economics, Tianjin, People's Republic of China
4. School of Risk and Actuarial Studies and CEPAR, University of New South Wales, Sydney, Australia