Steven E. Lipshultz1,2,3,4,5,6, Joseph J. Frassica1,2,3,4,5,6, E. John Orav1,2,3,4,5,6
1Department of Pediatrics, Boston City Hospital Boston, Massachusetts, USA
2Department of Pediatrics, Boston University School of Medicine Boston, Massachusetts, USA
3Department of Cardiology, Children’s Hospital, Boston, Massachusetts, USA
4Department of Pediatrics, Harvard Medical School, Boston, Massachusetts USA
5Department of Anesthesia, Franciscan Children's Hospital, Boston, Massachusetts, USA
6Department of Biostatistics, Harvard School of Public Health, Boston, Massachusetts, USA