Author Contributions: Dr Maron had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Maron, Lesser, Rehm.
Acquisition of data: Maron, Lesser, Schiller, Brown, Rehm.
Analysis and interpretation of data: Maron, Lesser, Schiller, Harris, Brown, Rehm.
Drafting of the manuscript: Maron, Lesser, Schiller, Harris, Brown.
Critical revision of the manuscript for important intellectual content: Maron, Lesser, Harris, Brown, Rehm.
Statistical analysis: Lesser, Rehm.
Obtained funding: Lesser, Brown.
Administrative, technical, or material support: Maron, Lesser, Schiller, Harris, Rehm.
Study supervision: Lesser, Rehm.
Financial Disclosures: Dr Maron reports having a consultant relationship with GeneDx, a subsidiary of BioReference Laboratories (a company that performs genetic testing for hypertrophic cardiomyopathy and other diseases), but reports that he did not have contact with or a relationship to the genetic testing reported in this study. The other authors report no relevant disclosures or associations with industry.
Funding/Support: This study was supported in part with a grant from The Hearst Foundations.
Role of the Sponsor: The Hearst Foundations did not participate in the design and conduct of the study; in the collection, analysis, and interpretation of the data; or in the presentation, review, or approval of the manuscript.
Additional Contribution: We thank the donor and the families of the affected offspring for providing permission to publish this information about their cases.
This article was corrected online for typographical errors on 10/20/2009.