1. Division of Pulmonary and Critical Care Medicine, Clinical Immunology, and Allergy, David Geffen School of Medicine at UCLA, Los Angeles, California
2. Division of Cardiology, Department of Medicine, UCLA Cardiac Arrhythmia Center, David Geffen School of Medicine at UCLA, Los Angeles, California
3. Division of Interventional Radiology, Department of Radiology, David Geffen School of Medicine at UCLA, Los Angeles, California