Affiliation: | 1. Department of Radiology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China;2. Musculoskeletal Quantitative Imaging Research Group, Department of Radiology and Biomedical Imaging, University of California San Francisco (UCSF), San Francisco, CA, USA;3. Department of Bioengineering, University of California, Berkeley, CA, USA;4. Department of Radiology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand;5. Department of Medicine, University of California, San Francisco, CA, USA;6. Division of Rheumatology, San Francisco General Hospital, San Francisco, CA, USA |