Please refer to this study by its ClinicalTrials.gov identifier: NCT00147589
| Pfizer Investigational Site |
| Little Rock, Arkansas, United States |
| Pfizer Investigational Site |
| Beverly Hills, California, United States |
| Pfizer Investigational Site |
| Los Angeles, California, United States |
| Pfizer Investigational Site |
| Inglewood, California, United States |
| Pfizer Investigational Site |
| Miami, Florida, United States |
| Pfizer Investigational Site |
| Jacksonville, Florida, United States |
| Pfizer Investigational Site |
| Augusta, Georgia, United States |
| Pfizer Investigational Site |
| PARK RIDGE, Illinois, United States |
| Pfizer Investigational Site |
| Louisville, Kentucky, United States |
| Pfizer Investigational Site |
| Shreveport, Louisiana, United States |
| Pfizer Investigational Site |
| Boston, Massachusetts, United States |
| Pfizer Investigational Site |
| Ann Arbor, Michigan, United States |
| Pfizer Investigational Site |
| Jackson, Mississippi, United States |
| Pfizer Investigational Site |
| Tupelo, Mississippi, United States |
| Pfizer Investigational Site |
| Livingston, New Jersey, United States |
| Pfizer Investigational Site |
| Carrboro, North Carolina, United States |
| Pfizer Investigational Site |
| Chapel Hill, North Carolina, United States |
| Pfizer Investigational Site |
| Pittsboro, North Carolina, United States |
| Pfizer Investigational Site |
| Columbus, Ohio, United States |
| Pfizer Investigational Site |
| Cleveland, Ohio, United States |
| Pfizer Investigational Site |
| Youngstown, Ohio, United States |
| Pfizer Investigational Site |
| Tulsa, Oklahoma, United States |
| Pfizer Investigational Site |
| Portland, Oregon, United States |
| Pfizer Investigational Site |
| Philadelphia, Pennsylvania, United States |
| Pfizer Investigational Site |
| Memphis, Tennessee, United States |
| Pfizer Investigational Site |
| Houston, Texas, United States |
| Pfizer Investigational Site |
| Katy, Texas, United States |
| Pfizer Investigational Site |
| Beaumont, Texas, United States |
| Pfizer Investigational Site |
| Santo Domingo, DN, Dominican Republic |
| Pfizer Investigational Site |
| Bangalore, Karnataka, India |
| Pfizer Investigational Site |
| Chennai, Tamil Nadu, India |
| Pfizer Investigational Site |
| Moscow, Russian Federation |
| Pfizer Investigational Site |
| St. Petersburg, Russian Federation |
| Pfizer Investigational Site |
| Smolensk, Russian Federation |
| Pfizer Investigational Site |
| Cape Town, South Africa |
| Pfizer Investigational Site |
| Soweto, Gauteng, South Africa |
| Pfizer Investigational Site |
| Capital Park, Gauteng, South Africa |
| Pfizer Investigational Site |
| Johannesburg, Gauteng, South Africa |
| Pfizer Investigational Site |
| Pretoria, Gauteng, South Africa |
| Pfizer Investigational Site |
| Polokwane, Lipompo Province, South Africa |
| Pfizer Investigational Site |
| Parow, Western Cape, South Africa |