1. Department of Medicine
2. Department of Radiology
3. Department of Pediatrics, and
4. Department of Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee
5. Department of Pediatrics, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
6. Department of Radiology, National Jewish Health, Denver, Colorado
7. Department of Cell and Developmental Biology, Vanderbilt University School of Medicine, Nashville, Tennessee; and
8. Department of Veterans Affairs Medical Center, Nashville, Tennessee