Research Site, Burien, Washington, United States
Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois, United States
Hospital das Clínicas da Faculdade de Medicina da Universidade de Sao Paulo, Sao Paulo, SP, Brazil
Research Site, Tübingen, Germany
Research Site, Chesapeake, Virginia, United States
Hôpital Necker-Enfants Malades, Paris, France
University Hospital of Leuven, Leuven, Belgium
California Pacific Medical Center (CPMC) Research Institute, San Francisco, California, United States
Research Site, Madrid, Spain
Research Site, Leuven, Belgium
Research Site, San Juan, Puerto Rico
Research Site, Weston, Wisconsin, United States