1. Anthony Nardone is a medical student at Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of California San Francisco, San Francisco, California, USA.
2. Joey Chiang is a medical student at Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of California San Francisco, San Francisco, California, USA.
3. Jason Corburn is a Professor at Department of City and Regional Planning, School of Public Health, UC Berkeley, Berkeley, California, USA.