About the Authors

Jill A. Rosenfeld

Affiliation Signature Genomic Laboratories, LLC, Spokane, Washington, United States of America

Blake C. Ballif

Affiliation Signature Genomic Laboratories, LLC, Spokane, Washington, United States of America

Ann Lucas

Affiliation Carolinas Medical Center, Clinical Genetics Center, Charlotte, North Carolina, United States of America

Edward J. Spence

Affiliation Carolinas Medical Center, Clinical Genetics Center, Charlotte, North Carolina, United States of America

Cynthia Powell

Affiliation Departments of Pediatrics and Genetics, University of North Carolina-Chapel Hill, Chapel Hill, North Carolina, United States of America

Arthur S. Aylsworth

Affiliation Departments of Pediatrics and Genetics, University of North Carolina-Chapel Hill, Chapel Hill, North Carolina, United States of America

Beth A. Torchia

Affiliation Signature Genomic Laboratories, LLC, Spokane, Washington, United States of America

Lisa G. Shaffer

shaffer@signaturegenomics.com

Affiliation Signature Genomic Laboratories, LLC, Spokane, Washington, United States of America

Competing Interests

L.G. Shaffer sits on the Members' Board of, owns shares in, and is an employee of Signature Genomic Laboratories, LLC. J.A. Rosenfeld, B.C. Ballif and B.A. Torchia are employees of Signature Genomic Laboratories, LLC.

Author Contributions

Conceived and designed the experiments: LGS. Performed the experiments: BCB. Analyzed the data: JAR BCB BAT LGS. Contributed reagents/materials/analysis tools: AL EJS CP ASA. Wrote the paper: JAR.