1. Key Laboratory of Image Information Processing and Intelligent Control of Education Ministry of China, School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan, China
2. School of Computer Science and Technology, China University of Mining and Technology, Xuzhou, China
3. School of Computer Science, Northwestern Polytechnical University, Xi'an, China
4. Department of Pathology, Renmin Hospital of Wuhan University, Wuhan, China