1. Department of Biomedical Engineering, Virginia Tech-Wake Forest University School of Biomedical Engineering and Sciences, Winston-Salem, North Carolina
2. Division of Public Health Sciences, Wake Forest School of Medicine, Winston-Salem, North Carolina
3. Department of Radiology, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, North Carolina
4. Department of Emergency Medicine, Alpert Medical School of Brown University and Hasbro Children's Hospital, Providence, Rhode Island