1. Department of Psychology University of Georgia Athens Georgia USA
2. Children's Hospital of Philadelphia Perelman School of Medicine at the University of Pennsylvania Philadelphia Pennsylvania USA
3. Boston Children's Hospital Boston Massachusetts USA
4. Children's Hospital Colorado University of Colorado School of Medicine Aurora Colorado USA
5. Cleveland Clinic Children's, Center for Pediatric Behavioral Health Wilmington North Carolina USA
6. Stanford University School of Medicine Palo Alto California USA
7. Norton Children's University of Louisville Louisville Kentucky USA
8. Children's Health, Children's Medical Center Dallas University of Texas Southwestern Medical Center Dallas Texas USA
9. Seattle Children's Hospital Seattle Washington USA