1. Clinic for Special Children, Strasburg, Pennsylvania
2. Center for Special Children, Vernon Memorial Healthcare, La Farge, Wisconsin
3. Lancaster General Health Research Institute, Penn Medicine, Lancaster, Pennsylvania
4. Albright College, Reading, Pennsylvania
5. Franklin & Marshall College, Lancaster, Pennsylvania
6. Icahn School of Medicine at Mount Sinai, New York, New York
7. Divisions of Diagnostic Referral Services
8. Cardiology Care for Children, Lancaster, Pennsylvania
9. Cardiology, Nemours Alfred I. duPont Hospital for Children