1. School of Economics & Management, Shanghai Maritime University, Shanghai 201306, China
2. International College, Renmin University of China, Beijing 100872, China
3. School of Financial Technology, Shanghai Lixin University of Accounting and Finance, Shanghai 201209, China
4. School of Business Administration, Shanghai Lixin University of Accounting and Finance, Shanghai 201209, China
5. Department of Computer Science and Engineering, School of Sciences, European University Cyprus, 1516 Nicosia, Cyprus