1. Division of Hematology/Oncology; Department of Medicine; University of California San Diego; San Diego CA USA
2. Department of Molecular and Experimental Medicine; The Scripps Research Institute; La Jolla CA USA
3. Division of Rheumatology; Allergy and Immunology; Department of Medicine; University of California San Diego; La Jolla CA USA
4. Department of Radiology; University of California San Diego; San Diego CA USA
5. General Musculoskeletal Imaging Inc; Cincinnati OH USA