Please refer to this study by its ClinicalTrials.gov identifier: NCT00375401
| Pfizer Investigational Site |
| Fairhope, Alabama, United States, 36532 |
| Pfizer Investigational Site |
| Huntsville, Alabama, United States, 35801 |
| Pfizer Investigational Site |
| Mobile, Alabama, United States, 36608 |
| Pfizer Investigational Site |
| Santa Ana, California, United States, 92705 |
| Pfizer Investigational Site |
| Walnut Creek, California, United States, 94598 |
| Pfizer Investigational Site |
| Oakland, California, United States, 94609-3223 |
| Pfizer Investigational Site |
| San Diego, California, United States, 92128 |
| Pfizer Investigational Site |
| La Jolla, California, United States, 92037 |
| Pfizer Investigational Site |
| San Diego, California, United States, 92130 |
| Pfizer Investigational Site |
| Longmont, Colorado, United States, 80501 |
| Pfizer Investigational Site |
| Orlando, Florida, United States, 32809 |
| Pfizer Investigational Site |
| Atlanta, Georgia, United States, 30342 |
| Pfizer Investigational Site |
| Honolulu, Hawaii, United States, 96814 |
| Pfizer Investigational Site |
| Gurnee, Illinois, United States, 60031 |
| Pfizer Investigational Site |
| Chicago, Illinois, United States, 60610 |
| Pfizer Investigational Site |
| Indianapolis, Indiana, United States, 46260 |
| Pfizer Investigational Site |
| Wichita, Kansas, United States, 67207 |
| Pfizer Investigational Site |
| Louisville, Kentucky, United States, 40213 |
| Pfizer Investigational Site |
| Louisville, Kentucky, United States, 40223 |
| Pfizer Investigational Site |
| Madisonville, Kentucky, United States, 42431 |
| Pfizer Investigational Site |
| Lexington, Kentucky, United States, 40509 |
| Pfizer Investigational Site |
| Baton Rouge, Louisiana, United States, 70808 |
| Pfizer Investigational Site |
| Baton Rouge, Louisiana, United States, 70809 |
| Pfizer Investigational Site |
| Scarborough, Maine, United States, 04074 |
| Pfizer Investigational Site |
| Baltimore, Maryland, United States, 21204 |
| Pfizer Investigational Site |
| Baltimore, Maryland, United States, 21201 |
| Pfizer Investigational Site |
| Milford, Massachusetts, United States, 01757 |
| Pfizer Investigational Site |
| Boston, Massachusetts, United States, 02114 |
| Pfizer Investigational Site |
| North Dartmouth, Massachusetts, United States, 02747 |
| Pfizer Investigational Site |
| Troy, Michigan, United States, 48098 |
| Pfizer Investigational Site |
| Chaska, Minnesota, United States, 55318 |
| Pfizer Investigational Site |
| Waconia, Minnesota, United States, 55387 |
| Pfizer Investigational Site |
| Minneapolis, Minnesota, United States, 55415 |
| Pfizer Investigational Site |
| Edina, Minnesota, United States, 55435 |
| Pfizer Investigational Site |
| Kansas City, Missouri, United States, 64114 |
| Pfizer Investigational Site |
| Hamilton, New Jersey, United States, 08690 |
| Pfizer Investigational Site |
| Albuquerque, New Mexico, United States, 87108 |
| Pfizer Investigational Site |
| Endwell, New York, United States, 13760 |
| Pfizer Investigational Site |
| New York, New York, United States, 10021-7903 |
| Pfizer Investigational Site |
| Rochester, New York, United States, 14609 |
| Pfizer Investigational Site |
| Kingston, New York, United States, 12401 |
| Pfizer Investigational Site |
| Manlius, New York, United States, 13104 |
| Pfizer Investigational Site |
| Burlington, North Carolina, United States, 27215 |
| Pfizer Investigational Site |
| Charlotte, North Carolina, United States, 28211 |
| Pfizer Investigational Site |
| Charlotte, North Carolina, United States, 28277 |
| Pfizer Investigational Site |
| Fargo, North Dakota, United States, 58103 |
| Pfizer Investigational Site |
| Akron, Ohio, United States, 44311 |
| Pfizer Investigational Site |
| Medford, Oregon, United States, 97504 |
| Pfizer Investigational Site |
| Beaver, Pennsylvania, United States, 15009 |
| Pfizer Investigational Site |
| Philadelphia, Pennsylvania, United States, 19104 |
| Pfizer Investigational Site |
| Cumberland, Rhode Island, United States, 02864 |
| Pfizer Investigational Site |
| Pawtucket, Rhode Island, United States, 02860 |
| Pfizer Investigational Site |
| Mount Pleasant, South Carolina, United States, 29464 |
| Pfizer Investigational Site |
| Greer, South Carolina, United States, 29651 |
| Pfizer Investigational Site |
| Knoxville, Tennessee, United States, 37920 |
| Pfizer Investigational Site |
| Nashville, Tennessee, United States, 37203 |
| Pfizer Investigational Site |
| Bristol, Tennessee, United States, 37620 |
| Pfizer Investigational Site |
| Kingsport, Tennessee, United States, 37660 |
| Pfizer Investigational Site |
| Fort Worth, Texas, United States, 76135 |
| Pfizer Investigational Site |
| Fort Worth, Texas, United States, 76137 |
| Pfizer Investigational Site |
| Dallas, Texas, United States, 75246 |
| Pfizer Investigational Site |
| Beaumont, Texas, United States, 77701 |
| Pfizer Investigational Site |
| Lake Jackson, Texas, United States, 77566 |
| Pfizer Investigational Site |
| San Antonio, Texas, United States, 78229 |
| Pfizer Investigational Site |
| Austin, Texas, United States, 78705 |
| Pfizer Investigational Site |
| Dallas, Texas, United States, 75390-8858 |
| Pfizer Investigational Site |
| Charlottesville, Virginia, United States, 22911 |
| Pfizer Investigational Site |
| Norfolk, Virginia, United States, 23502 |
| Pfizer Investigational Site |
| Richmond, Virginia, United States, 23294 |
| Pfizer Investigational Site |
| Olympia, Washington, United States, 98502 |
| Pfizer Investigational Site |
| Renton, Washington, United States, 98057 |
| Pfizer Investigational Site |
| Morgantown, West Virginia, United States, 26506-9136 |
| Pfizer Investigational Site |
| Oregon, Wisconsin, United States, 53575 |
| Pfizer Investigational Site |
| Milwaukee, Wisconsin, United States, 53209 |
| Pfizer Investigational Site |
| Calgary, Alberta, Canada, T2E 7C5 |
| Pfizer Investigational Site |
| Winnipeg, Manitoba, Canada, R3A 1R9 |
| Pfizer Investigational Site |
| Toronto, Ontario, Canada, M4R 2G4 |
| Pfizer Investigational Site |
| Hamilton, Ontario, Canada, L8L 2X2 |
| Pfizer Investigational Site |
| Oakville, Ontario, Canada, L6H 3P1 |
| Pfizer Investigational Site |
| Charlottetown, Prince Edward Island, Canada, C1E 1J7 |
| Pfizer Investigational Site |
| L'Ancienne-Lorette, Quebec, Canada, G2E 2X1 |
| Pfizer Investigational Site |
| Montreal, Quebec, Canada, H2W 1R7 |