1. National Clinician Scholars Program, Division of General Medicine & Health Services Research, Department of Medicine, David Geffen School of Medicine at UCLA, University of California, Los Angeles, CA, USA
2. School of Nursing, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
3. Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA, USA
4. School of Nursing, University of California, Los Angeles, CA, USA
5. Department of Health Policy and Management, Fielding School of Public Health, University of California, Los Angeles, CA, USA
6. Division of General Pediatrics, Department of Pediatrics, Children’s Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
7. Southern California Permanente Medical Group, Kaiser Permanente Southern California, Pasadena, CA, USA
8. Department of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, USA