Arthritis, Rheumatoid

• Pfizer Investigational Site — Gilbert, Arizona, United States
• Pfizer Investigational Site — Tucson, Arizona, United States
• Pfizer Investigational Site — Palo Alto, California, United States
• Pfizer Investigational Site — San Diego, California, United States

• Advance Rheumatology Clinic — Hyderabad, Andhra Pradesh, India
• Mahavir Hospital and Research Center — Hyderabad, Andhra Pradesh, India
• Sri Deepti Rheumatology Center — Hyderabad, Andhra Pradesh, India
• Krishna Institute of Medical Sciences — Secunderabad, Andhra Pradesh, India

• Buddhist Dalin Tzu Chi General Hospital — Chiayi City, Taiwan
• Chang Gung Memorial Hospital -Kaohsiung — Kaohsiung City, Taiwan
• Kaohsiung Medical University Hospital — Kaohsiung City, Taiwan
• Kaohsiung Veterans General Hospital — Kaohsiung City, Taiwan

• Birmingham, Alabama, United States
• Huntsville, Alabama, United States
• Peoria, Arizona, United States
• La Mesa, California, United States

• Pfizer Investigational Site — Birmingham, Alabama, United States
• Pfizer Investigational Site — Huntsville, Alabama, United States
• Pfizer Investigational Site — Gilbert, Arizona, United States
• Pfizer Investigational Site — Scottsdale, Arizona, United States

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

• Site Ref # / Investigator 50728 — Belgorod, Russia
• Site Ref # / Investigator 50737 — Chelyabinsk, Russia
• Site Ref # / Investigator 50731 — Izhevsk, Russia
• Site Reference ID/Investigator# 29084 — Kaliningrad, Russia

• Anniston, Alabama, United States
• Birmingham, Alabama, United States
• Huntsville, Alabama, United States
• Glendale, Arizona, United States

• Freie Universitaet Berlin — Berlin, State of Berlin, Germany

Not specified