1. Division of Clinical Genetics; University of Nebraska Medical Center; Munroe-Meyer Institute for Genetics and Rehabilitation; Omaha Nebraska
2. University of Nebraska Medical Center; Munroe-Meyer Institute for Genetics and Rehabilitation; Human Genetics Laboratory; Omaha Nebraska
3. Department of Pediatrics; Division of Genetics and Genomic Medicine; Washington University School of Medicine; St. Louis Missouri
4. Division of Cardiology; Children's Hospital and Medical Center; Omaha Nebraska
5. Division of Cardiac Surgery; Children's Hospital and Medical Center; Omaha Nebraska
6. Division of Pediatric Pathology; Children's Hospital and Medical Center; Omaha Nebraska
7. Division of Medical Genetics; Arkansas Children's Hospital; Little Rock Arkansas