Footnotes

• Contributors AD wrote the article. SS edited the article and provided critical review, also contributed original material to the final manuscript.

• Competing interests AD was supported by a research grant from the charitable organization Cardiac Risk in the Young (CRY), which supports cardiovascular screening of young individuals. SS has been co-applicant on previous grants with CRY.

• Provenance and peer review Commissioned; externally peer reviewed.

• Author note References marked with a * are key references for this paper.

• Correction notice The corresponding authors address has been updated since this paper was first published online.