1. Division of Adolescent Medicine, Department of Pediatrics, Children's Mercy Kansas City, Kansas City, Missouri, USA.
2. Department of Pediatrics, University of Missouri, Kansas City School of Medicine, Kansas City, Missouri, USA.
3. Kennell and Associates, Inc., Falls Church, Virginia, USA.
4. Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA.
5. Clinical Investigation Facility, David Grant Medical Center, Travis Air Force Base, California, USA.
6. Ripple Effect, Rockville, Maryland, USA.
7. Department of Family Medicine, Uniformed Services University, Bethesda, Maryland, USA.
8. Department of Pediatrics, Uniformed Services University, Bethesda, Maryland, USA.
9. Department of Family Medicine, David Grant Medical Center, Travis Air Force Base, California, USA.