1. Intelligent Medical Research Center; Institute of Automation, Chinese Academy of Sciences; Beijing 100190 China
2. Bureau of Academy-Locality Cooperation; Chinese Academy of Sciences; Beijing 100864 China
3. College of Electronic Information and Control Engineering; Beijing University of Technology; Beijing 100124 China
4. Life Sciences Research Center; School of Life Sciences and Technology, Xidian University; Xi'an Shaanxi 710071 China
5. Department of Radiology; Peking Union Medical College Hospital; Chinese Academy of Medical Sciences and Peking Union Medical College; Beijing 100730 China