7 Children's National Medical Center, Department of Genetics and Metabolism, Rare Disease Institute, Washington, D.C.
8 Division of Hematology, Oncology and Blood and Marrow Transplantation, Children's Center for Cancer and Blood Diseases, Children's Hospital Los Angeles Keck School of Medicine, University of Southern California, Los Angeles, California.
9 Hematology, Oncology, and Bone Marrow Transplantation, University of Colorado Anschutz Medical Campus, Children's Hospital Colorado, Aurora, Colorado.
10 Dana-Farber Cancer Institute, Center for Cancer Genetics and Prevention, Boston, Massachusetts.
11 Westat, Rockville, Maryland.
12 SIREDO Oncology Center (Care, Innovation and Research for Children, Adolescents and Young Adults with Cancer), Institut Curie, PSL University, Paris, France.
13 Clinic of Pediatrics, Municipal Hospital Dortmund, Dortmund, Germany.
14 Division of Hematology/Oncology, The Hospital for Sick Children, Department of Pediatrics, University of Toronto, Toronto, Ontario, Canada.
15 Division of Anatomic Pathology, Lauren V. Ackerman Laboratory of Surgical Pathology, Barnes-Jewish and St. Louis Children's Hospitals, Washington University Medical Center, St. Louis, Missouri.
16 Department of Pathology, Center for Cancer and Immunology Research, Children's National Medical Center, Washington, D.C.
17 International Pleuropulmonary Blastoma Registry, Children's Minnesota, Minneapolis, Minnesota. krisann.schultz@childrensmn.org.