1. West China Biomedical Big Data Center, West China Hospital of Sichuan University, Chengdu 610041, China
2. School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu 610097, China
3. School of Mechanical Engineering, Sichuan University, Chengdu 610065, China
4. School of Automation Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK