1. Department of Medical Imaging, Jinling Hospital, Clinical School of Southern Medical University, Nanjing, China.
2. Department of Medical Imaging, Jinling Hospital, Medical School of Nanjing University, Nanjing, China.
3. Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, USA.
4. Medical Imaging Teaching and Research Office, Nanfang Hospital, Southern Medical University, Guangzhou, China.