1. UCLA Children’s Discovery and Innovation Institute, Mattel Children’s Hospital, and
2. RAND, Santa Monica, California;
3. University of Illinois College of Medicine, Chicago, Illinois;
4. Department of Internal Medicine, West Los Angeles VA Hospital, Los Angeles, California;
5. Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California;
6. Division of General Pediatrics, Boston Children’s Hospital, Boston, Massachusetts;
7. Department of Pediatrics, Harvard Medical School, Boston, Massachusetts; and
8. Health Policy and Management, UCLA Fielding School of Public Health, Los Angeles, California