1. College of Computer Science, University of Sichuan, Chengdu, China
2. School of Artificial Intelligence, Beijing University of Posts and Telecommunications (BUPT), Beijing, China
3. Stork Healthcare, Chengdu, China
4. West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, China
5. National Engineering Research Center of Mobile Network Technologies, Beijing University of Posts and Telecommunications (BUPT), Beijing, China