1. *Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO;
2. †Department of Radiology, University of Colorado Anschutz Medical Campus, Aurora, CO;
3. ‡Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO;
4. §Human Immune Monitoring Shared Resource, University of Colorado Anschutz Medical Campus, Aurora, CO;
5. ¶Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, U.K.; and
6. ‖Systems Immunity URI, Division of Infection and Immunity, and UK Dementia Research Institute Cardiff, School of Medicine, Cardiff University, Cardiff, U.K.