1. Department of Pathology, Keck School of Medicine, University of Southern California, Los Angeles, CA
2. Department of Pathology, Los Angeles County + University of Southern California (LAC+USC) Medical Center, Los Angeles, CA
3. Department of Pathology, Harbor-UCLA Medical Center, Torrance, CA
4. Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA