Arthritis

• Pfizer Investigational Site — Huntsville, Alabama, United States
• Pfizer Investigational Site — Jonesboro, Arkansas, United States
• Pfizer Investigational Site — Palo Alto, California, United States
• Pfizer Investigational Site — Stanford, California, United States

• Orthopaedic Associates of Michigan, PC — Grand Rapids, Michigan, United States

• Inflexxion, Inc. — Newton, Massachusetts, United States

• The Cleveland Clinic — Cleveland, Ohio, United States

• Duke University Medical Center — Durham, North Carolina, United States
• Durham VA Hospital — Durham, North Carolina, United States

Not specified

• Arkansas Children's Hospital Research Inst — Little Rock, Arkansas, United States
• Children's National Medical Center — Washington D.C., District of Columbia, United States
• University of Chicago Medical Center — Chicago, Illinois, United States
• University of Louisville — Louisville, Kentucky, United States

• Veterans Memorial Medical Centre — Quezon City, Manila, Philippines

• Pfizer Investigational Site — Cagliari, Italy
• Pfizer Investigational Site — Naples, Campania, Italy
• Pfizer Investigational Site — Prato, FI - Italy, Italy
• Pfizer Investigational Site — Florence, Italy

• St. Olavs Hospital — Trondheim, Norway