1. College of Osteopathic Medicine, Pacific Northwest University of Health Sciences, Yakima, Washington, United States
2. Division of Interventional Radiology, Department of Radiology, University of Washington, Seattle, Washington, United States
3. Division of Interventional Radiology, Department of Radiology, Seattle Children's Hospital, Seattle, Washington, United States
4. Department of Surgery, University of Washington and Seattle Children's Hospital, Seattle, Washington, United States