Affiliation: | 1. Shandong Medical Imaging Research Institute, Jinwu Road 324, Jinan, 250021, China 2. Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA 3. Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA 4. Department of Radiology, Johns Hopkins Medical Institutions, 601 N. Caroline St., JHOC 3142, Box 0818, Baltimore, MD, 21287, USA
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