Author Contributions: Dr Sarafoglou 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: Sarafoglou, Banks, Kyllo, Thomas.
Acquisition of data: Sarafoglou, Banks, Kyllo, Pittock.
Analysis and interpretation of data: Sarafoglou, Thomas.
Drafting of the manuscript: Sarafoglou.
Critical revision of the manuscript for important intellectual content: Sarafoglou, Banks, Kyllo, Pittock, Thomas.
Statistical analysis: Banks, Thomas.
Administrative, technical, or material support: Sarafoglou, Banks, Kyllo.
Study supervision: Sarafoglou.
Conflict of Interest Disclosures: The authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and none were reported.
Funding/Support: All work performed for this study was done as part of the unique public-private partnership that exists between the Minnesota Department of Health, the Mayo Clinic, Children's Hospitals of Minnesota, and the University of Minnesota Amplatz Children's Hospital.
Role of the Sponsors: The funding organizations had no role in the design and conduct of the study; in the collection, analysis, and interpretation of the data; or in the preparation, review, or approval of the manuscript.
Additional Contributions: We thank Nancy Vanderburg, RN, Amy Gaviglio, MS, CGC, Amy Hietala, MS, and Mark McCann, BA (all with the Minnesota Department of Health, Newborn Screening Program), who provided newborn screening information and reviewed the manuscript. These persons were not compensated for their contributions.