1. aThe Dartmouth Institute for Health Policy and Clinical Practice, Geisel School of Medicine at Dartmouth, Lebanon, New Hampshire
2. bSeattle Children’s Hospital, Seattle, Washington
3. cUniversity of Washington, Seattle, Washington
4. dParent Advocate, Greenville, South Carolina
5. eDartmouth Health Children’s, Lebanon, New Hampshire
6. fNationwide Children’s Hospital, Columbus, Ohio
7. gDepartment of Pediatrics, The Ohio State College of Medicine, Columbus, Ohio
8. hDepartment of Physical Medicine and Rehabilitation, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
9. iUniversity of Colorado, Department of Pediatrics, Denver, Colorado