Davita Clinical Research, Minneapolis, Minnesota, United States
Pacific Arthritis Center Medical Group, Santa Maria, California, United States
Veterans Affairs Medical Center, Washington, District of Columbia, United States
Graves Gilbert Clinic, Bowling Green, Kentucky, United States
University of Chicago- Dept. Biological Services, Chicago, Illinois, United States
The Center for Rheumatology and Bone Research, Wheaton, Maryland, United States
Duke University Medical Center, Durham, North Carolina, United States
Arthritis & Rheumatic Disease Specialties, Aventura, Florida, United States
The University of Chicago, Chicago, Illinois, United States
Physicians East, P.A., Greenville, North Carolina, United States
University of Chicago Dept of Medicine, Chicago, Illinois, United States
North Shore University Hospital Division of Rheumatology, Manhasset, New York, United States
Oregon Health & Science University Arthritis & Rheumatic Diseases, Portland, Oregon, United States