Investigative Site 108, Little Rock, Arkansas, United States
Investigative Site 110, Indianapolis, Indiana, United States
Investigative Site 111, Murray, Utah, United States
McMaster University, Hamilton, Ontatrio, Canada
University of Marburg, Marburg, Germany
University of Munster, Munster, Germany
Charité - University Clinic Berlin, Berlin, Germany
Site 118, Birmingham, Alabama, United States
Little Rock Allergy & Asthma Clinical Research Center, Little Rock, Arkansas, United States
Site 117, Fremont, California, United States
Moffitt Cancer Center, Tampa, Florida, United States
Memorial Healthcare System, Hollywood, Florida, United States
Oregon Health & Science University, Portland, Oregon, United States
Fred Hutchinson Cancer Research Center, Seattle, Washington, United States
Rush University Medical Center, Chicago, Illinois, United States
Children's Hospital of Los Angeles, Los Angeles, California, United States
Children's National Medical Center, Washington, District of Columbia, United States
UCLA Mattel Children's Hospital, Los Angeles, California, United States