Pfizer Investigational Site, Sevilla, Spain
Pfizer Investigational Site, Singapore, Singapore
GSK Investigational Site, Buffalo, New York, United States
Pfizer Investigational Site, Montreal, Quebec, Canada
Children's Hospital Los Angeles, Los Angeles, California, United States
Children's Medical Center of Dallas, Dallas, Texas, United States
University of Miami Miller School of Medicine, Miami, Florida, United States
Pfizer Investigational Site, Bydgoszcz, Poland
Pfizer Investigational Site, Muenchen, Germany
GSK Investigational Site, Dallas, Texas, United States