Hershey Medical Center, Hershey, Pennsylvania, United States
PCTI at Columbus Children's Hospital, Columbus, Ohio, United States
The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
Pfizer Investigational Site, Burlington, Vermont, United States
Pfizer Investigational Site, Koeln, Germany
Versicor, Inc., King of Prussia, Pennsylvania, United States
Pfizer Investigational Site, Leicester, United Kingdom
Pfizer Investigational Site, Singapore, Singapore
Pfizer Investigational Site, Wythenshawe, Manchester, United Kingdom