1. School of Biomedical Engineering, Faculty of Electronic Information and Electrical Engineering Dalian University of Technology Dalian China
2. Key Laboratory of Integrated Circuit and Biomedical Electronic System, Liaoning Province Dalian University of Technology Dalian China
3. Department of Radiology Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute Shenyang China
4. Faculty of Information Technology University of Jyvaskyla Jyvaskyla Finland
5. School of Artificial Intelligence, Faculty of Electronic Information and Electrical Engineering Dalian University of Technology Dalian China