1. Professor of Clinical Medicine, The David Geffen School of Medicine at UCLA, Division of Pulmonary, Critical Care Medicine, and Hospitalists, 10833 Le Conte Avenue, Room CHS 37–131, Los Angeles, CA 90095, USA.
2. Piansky Professor of Pathology and Medicine, The David Geffen School of Medicine at UCLA, Pathology and Lab Medicine, 10833 Le Conte Avenue, Room 13-145H CHS, Los Angeles, CA 90095, USA.
3. Resident Physician of Medicine, The David Geffen School of Medicine at UCLA, Pathology and Lab Medicine, 10833 Le Conte Avenue, Room 13-145H CHS, Los Angeles, CA 90095, USA.
4. Assistant Professor of Medicine, The David Geffen School of Medicine at UCLA, Pathology and Lab Medicine, 10833 Le Conte Avenue, Room 13-145H CHS, Los Angeles, CA 90095, USA.