Pfizer Investigational Site, Birmingham, West Midlands, United Kingdom
Lovelace Scientific Resources, Sarasota, Florida, United States
Partners in Primary Care, Voorhees, New Jersey, United States
Medford Medical Clinic Research Dept., Medford, Oregon, United States
Pfizer Investigational Site, London, United Kingdom
Pfizer Investigational Site, Tacoma, Washington, United States
Pfizer Investigational Site, Koeln, Germany
Pfizer Investigational Site, Manchester, United Kingdom
Pfizer Investigational Site, San Juan, Puerto Rico
Pfizer Investigational Site, Reutlingen, Germany
Pfizer Investigational Site, Taipei, Taiwan
Pfizer Investigational Site, York, United Kingdom