| Institution: | (1) Department of Pediatrics, Harborview Medical Center, University of Washington, 325 Ninth Ave., Seattle, WA 98104, USA;(2) Seattle Children’s Hospital, Seattle, WA, USA;(3) Department of Radiology, Harborview Medical Center, University of Washington, Seattle, WA, USA;(4) Department of Radiology, Vanderbilt Children’s Hospital, Nashville, TN, USA;(5) Departments of Anesthesiology and Pediatrics, Harborview Medical Center, University of Washington, 325 Ninth Avenue, Box 359724, Seattle, WA 98104, USA;(6) Department of Social Medicine, University of Bristol, Bristol, UK; |
