1. School of Management, Nanjing University of Posts and Telecommunications, Nanjing, People’s Republic of China
2. School of Economics and Management, Nanjing University of Science and Technology, Nanjing, People's Republic of China
3. School of Automation, Nanjing Institute of Technology, Nanjing, People’s Republic of China
4. College of Science, Shenyang Agricultural University, Shenyang, People’s Republic of China