1. The Gehr Family Center for Health Systems Science and Innovation, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California.
2. Cambridge Health Alliance, Harvard Medical School, Cambridge, Massachusetts.
3. Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California.
4. The Wellness Center, Los Angeles, California.
5. Department of Public Health, Los Angeles County, Los Angeles, California.
6. Keck School of Medicine, University of Southern California, Los Angeles, California.