1. International Pleuropulmonary Blastoma Registry; Children's Hospitals and Clinics of Minnesota; Minneapolis Minnesota
2. Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics; National Cancer Institute, National Institutes of Health; Rockville Maryland
3. Division of Pathology; Children's National Medical Center; Washington District of Columbia
4. Center for Genetic Medicine Research, Department of Integrative Systems Biology; George Washington University School of Medicine; Washington District of Columbia
5. Division of Oncology; Children's National Medical Center; Washington District of Columbia
6. Biostatistics Branch, Division of Cancer Epidemiology and Genetics; National Cancer Institute, National Institutes of Health; Rockville Maryland
7. Department of Pathology and Immunology, Lauren V. Ackerman Laboratory of Surgical Pathology, Barnes-Jewish and St. Louis Children's Hospitals; Washington University Medical Center; St. Louis Missouri