Purine-Pyrimidine Metabolism, Inborn Errors

• Kaiser Permanente Medical Center, Clinical Trials Unit — San Francisco, California, United States
• Pacific Arthritis Center Medical Group — Santa Maria, California, United States
• Agilence Arthritis & Osteoporosis Medical Center — Whittier, California, United States
• Veterans Affairs Medical Center — Washington D.C., District of Columbia, United States

Not specified

• 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
• Portland Rheumatology Clinic, L.L.C. — Lake Oswego, Oregon, United States

• White River Junction VA Medical Center — White River Junction, Vermont, United States

• UAB Arthritis Clinical Intervention Program — Birmingham, Alabama, United States
• University of Arizona Arthritis Center — Tucson, Arizona, United States
• NEA Clinic — Jonesboro, Arkansas, United States
• UCSD Rheumatology Division — La Jolla, California, United States

Not specified

• Nuon Investigative Site — Honolulu, Hawaii, United States
• Nuon Investigative Site — Evansville, Indiana, United States
• Nuon Investigative Site — Dallas, Texas, United States

• Nuon Investigative Site — Honolulu, Hawaii, United States
• Nuon Investigative Site — Evansville, Indiana, United States
• Nuon Investigative Site — Dallas, Texas, United States

Not specified

Not specified