1. Department of Digital Medicine, School of Biomedical Engineering and Medical Imaging, Third Military Medical University (Army Medical University), Chongqing 400038, P.R. China
2. Department of Pathology, Third Affiliated Hospital, Third Military Medical University (Army Medical University), Chongqing 400042, P.R. China
3. Department of Medical Engineering, Second Affiliated Hospital, Third Military Medical University (Army Medical University), Chongqing 400037, P.R. China