Dana-Farber Cancer Institute, Boston, Massachusetts, United States
Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, United States
University of Pennsylvania Hospital, Philadelphia, Pennsylvania, United States
Ohio State University Hospital, Columbus, Ohio, United States
Cleveland Clinic Foundation, Cleveland, Ohio, United States
Okayama University Hospital, Okayama, Japan
Mayo Clinic of Scottsdale, Scottsdale, Arizona, United States
City of Hope National Medical Center, Duarte, California, United States