Overview of the participants included in this study and the results of
their molecular screening. aIdentifiers (IDs) of patients with bad
quality DNA: 372 and 373. bIDs of patients who did not have an
FBN1 variant described in their patient report and were not
sequenced in our genetic ancillary study: 369, 370, and 371. del, deletion; dup,
duplication; MLPA, multiplex ligation-dependent probe amplification; NGS,
next-generation sequencing; P/LP, pathogenic or likely pathogenic; PHN,
Pediatric Heart Network; TAAD, Thoracic Aortic Aneurysm and Dissection; VUS,
variant of uncertain significance