1. School of Computer Science and Technology, University of Science and Technology of China & State Key Laboratory of Cognitive Intelligence, Hefei, China
2. Anhui Province Key Laboratory of Big Data Analysis and Application, University of Science and Technology of China & State Key Laboratory of Cognitive Intelligence, Hefei, China
3. Business Analytics and Statistics, The University of Tennessee, Knoxville, USA
4. iFLYTEK Research & State Key Laboratory of Cognitive Intelligence, Hefei, China
5. iFLYTEK AI Research (Central China) & State Key Laboratory of Cognitive Intelligence, Wuhan, China