1. Research Center of the Economic and Social Development of Henan East Provincial Joint, Shangqiu Normal University, Shangqiu, China
2. Liaoning Petrochemical University, Fushun, China
3. Monmouth University, West Long Branch, NJ, USA
4. College of Information Science and Engineering, Northeastern University, Shenyang, China
5. College of Computer and Communication Engineering, Liaoning Petrochemical University, Fushun, China
6. Shandong University of Science and Technology, Qingdao, China