1. Institute of Automation, Chinese Academy of Science, Chinese Academy of Sciences, Beijing, China
2. University of Cologne, EWI gGmbH, Cologne, Germany
3. Arizona State University, Arizona, USA
4. Baidu Inc., Shenzhen, China
5. Fudan University, Shanghai, China
6. Peking University, Beijing, China
7. Qing Yuan Research Institute, Shanghai Jiao Tong University, Shanghai, China