1. Primary Children’s Hospital, University of Utah, Salt Lake City, Utah;
2. Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio;
3. Ann and Robert H. Lurie Children’s Hospital of Chicago, Northwestern University, Chicago, Illinois;
4. Children’s Hospital Boston, Harvard University, Boston, Massachusetts;
5. The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; and
6. Intermountain Pediatric Imaging, Department of Medical Imaging, Primary Children’s Hospital, Salt Lake City, Utah