1. aDepartment of Pediatrics, University of Washington School of Medicine, Seattle, Washington
2. bRAND Corporation, Santa Monica, California
3. cChildren’s Hospital Association, Washington, District of Columbia
4. dDepartment of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio
5. eRAND Corporation, Boston, Massachusetts
6. fDepartment of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, New York
7. gDepartment of Pediatrics, University of California San Francisco School of Medicine, San Francisco, California
8. hDepartment of Pediatrics, Medical University of South Carolina, Charleston, South Carolina
9. iDepartment of Pediatrics, University of Colorado, Aurora, Colorado
10. jDepartment of Pediatrics, Vanderbilt University School of Medicine, Nashville, Tennessee
11. kDepartment of Pediatrics, Carver College of Medicine, University of Iowa, Iowa City, Iowa
12. lDepartment of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio
13. mKaiser Permanente Washington Health Research Institute, Seattle, Washington