1 Department of Health Policy and Management, University of California Los Angeles Fielding School of Public Health, Los Angeles, CA, USA. jnwadiuko@ucla.edu.
2 Department of Medicine, University of California Los Angeles David Geffen School of Medicine, Los Angeles, CA, USA. jnwadiuko@ucla.edu.
3 Department of Epidemiology, University of California Los Angeles Fielding School of Public Health, Los Angeles, CA, USA.
4 Department of Emergency Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
5 Department of Emergency Medicine, University of California Los Angeles Geffen School of Medicine, Los Angeles, CA, USA.
6 Department of Health Policy and Management, University of California Los Angeles Fielding School of Public Health, Los Angeles, CA, USA.