1. Division of Interventional Radiology, Department of Radiological Sciences, University of California, Los Angeles, California, United States
2. Division of Interventional Radiology, Department of Radiology, Northwest Permanente, Portland, Oregon, United States
3. David Geffen School of Medicine, University of California, Los Angeles, California, United States
4. Division of Critical Care Medicine, Department of Pediatrics, University of California, Los Angeles, California, United States
5. Division of Cardiology, Department of Medicine, University of California, Los Angeles, California, United States