1. Yulin University, Shaanxi, China
2. Zhejiang Normal University, Jinhua, China
3. University of Texas at Tyler, USA
4. Prince Sattam Bin Abdulaziz University, Al Kharj, Saudi Arabia
5. Southwest University, Chongqing, China
6. Northeast Normal University, Changchun, China
7. Shaanxi Normal University, Xi’an, China