1. Department of Pediatric Pulmonology, University of Utah School of Medicine and Primary Children's Medical Center, Salt Lake City, Utah.
2. Department of Pediatric Radiology, University of Utah School of Medicine and Primary Children's Medical Center, Salt Lake City, Utah.
3. Department of Pediatric Inpatient Medicine, University of Utah School of Medicine and Primary Children's Medical Center, Salt Lake City, Utah.
4. Department of Pediatric Pathology, University of Utah School of Medicine and Primary Children's Medical Center, Salt Lake City, Utah.
5. Department of Pediatric Surgery, University of Utah School of Medicine and Primary Children's Medical Center, Salt Lake City, Utah.