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