1. University of Colorado Anschutz Medical Campus Aurora CO USA
2. Colorado School of Public Health Anschutz Medical Campus Aurora CO USA
3. University of Oklahoma Health Sciences Center Department of Medicine University of Oklahoma Health Sciences Center Edmond OK USA
4. US Department of Veterans Affairs Medical Center Cincinnati OH USA
5. Walter Reed National Military Medical Center Bethesda MD USA
6. Division of Immunology and Rheumatology Stanford University School of Medicine Stanford California USA
7. VA Palo Alto Health Care System Palo Alto California USA
8. Arthritis & Clinical Immunology Program Oklahoma Medical Research Foundation Oklahoma City OK USA