| S.No. | Sites | Total Enrollment | Stent | Balloon | Surgery |
|---|---|---|---|---|---|
| 1 | Cleveland Clinic Foundation | 0 | 0 | 0 | 0 |
| 2 | Evalina Children's Hospital | 0 | 0 | 0 | 0 |
| 3 | Fundacion Cardio Infantil | 0 | 0 | 0 | 0 |
| 4 | Hospital de Santa Marta Rua de Santa Marta | 0 | 0 | 0 | 0 |
| 5 | Nationwide Children's Hospital | 0 | 0 | 0 | 0 |
| 6 | Stanford University | 0 | 0 | 0 | 0 |
| 7 | UCSFare | 0 | 0 | 0 | 0 |
| 8 | University of Alberta | 0 | 0 | 0 | 0 |
| 9 | Duke University Medical Center | 2 | 2 | 0 | 0 |
| 10 | Rush University Medical Center | 2 | 2 | 0 | 0 |
| 11 | University of Chicago | 2 | 2 | 0 | 0 |
| 12 | University of Michigan | 2 | 2 | 0 | 0 |
| 13 | Children's Mercy Hospital Kansas City | 3 | 3 | 0 | 0 |
| 14 | Childrens Memorial Hospital | 3 | 1 | 2 | 0 |
| 15 | Miami Children Hospital | 4 | 3 | 1 | 0 |
| 16 | Medical University of South Carolina | 5 | 5 | 0 | 0 |
| 17 | Argentina Sanatorio Allende | 6 | 4 | 2 | 0 |
| 18 | Cardiovascular Center Frankfurt Germany | 6 | 0 | 6 | 0 |
| 19 | Children's Hospital of NY | 6 | 5 | 1 | 0 |
| 20 | Argentina Hospital Privado de Cordoba | 7 | 5 | 2 | 0 |
| 21 | Children's Hospital of Nebraska | 7 | 6 | 0 | 1 |
| 22 | University of Iowa | 7 | 2 | 3 | 2 |
| 23 | University of Pittsburgh | 8 | 5 | 3 | 0 |
| 24 | Children's Hopsital Central California | 10 | 4 | 1 | 5 |
| 25 | Children's National Medical Center | 10 | 9 | 0 | 1 |
| 26 | Cincinnati Children's Hospital | 10 | 8 | 2 | 0 |
| 27 | Cook Children's Hospital | 10 | 2 | 3 | 5 |
| 28 | Mississippi Children Hospital | 12 | 6 | 5 | 1 |
| 29 | Penn State University | 12 | 6 | 3 | 3 |
| 30 | UVA Children's Hospital | 12 | 10 | 0 | 2 |
| 31 | University of Florida, Jacksonville | 13 | 10 | 3 | 0 |
| 32 | Hope Children's Hospital | 14 | 8 | 2 | 4 |
| 33 | St. Louis Children's Hospital | 14 | 9 | 1 | 4 |
| 34 | Akron Children's Hospital | 15 | 10 | 4 | 0 |
| 35 | University of Minnesota | 15 | 11 | 4 | 0 |
| 36 | Children's Healthcare of Atlanta | 16 | 0 | 8 | 8 |
| 37 | Primary Children's Medical Center, Salt Lake City | 16 | 11 | 1 | 4 |
| 38 | Riley Children's Hospital | 16 | 14 | 0 | 2 |
| 39 | Arnold Palmer Hospital-Orlando | 18 | 11 | 5 | 2 |
| 40 | Mayo Clinic | 20 | 8 | 5 | 7 |
| 41 | Children's Hospital of Philadelphia | 21 | 15 | 3 | 3 |
| 42 | Beheshti Medical University | 25 | 18 | 7 | 0 |
| 43 | University of Texas Southwestern Medical Center at Dallas | 26 | 21 | 1 | 4 |
| 44 | Columubus Children Hospital | 38 | 36 | 0 | 2 |
| 45 | Lavasani Heart Hospital | 40 | 20 | 18 | 2 |
| 46 | Children Hospital of Michigan | 76 | 55 | 8 | 13 |
| TOTAL -> | 529 | 349 | 104 | 75 |