1. Division of Interventional Radiology, Department of Radiological Sciences, David Geffen School of Medicine at UCLA, Los Angeles, California, United States of America
2. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California, United States of America
3. Division of Interventional Radiology, Department of Radiology, Mater Misericordiae University Hospital, Dublin, Ireland