1 Department of Emergency Medicine, Harbor-UCLA Medical Center, Torrance, CA; Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA; Los Angeles Biomedical Research Institute at Harbor-UCLA, Torrance, CA. Electronic address: akaji@emedharbor.edu.
2 Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA.
3 Department of Emergency Medicine, Loma Linda University Medical Center, Loma Linda, CA.