Study concept and design: Huybrechts, Bateman, Palmsten, Desai, Patorno, Hernandez-Diaz.
Acquisition, analysis, or interpretation of data: All the authors.
Drafting of the manuscript: Huybrechts, Bateman.
Critical revision of the manuscript for important intellectual content: All the Authors.
Statistical analysis: Huybrechts, Palmsten, Desai, Gopalakrishnan, Levin, Mogun, Hernandez-Diaz.
Obtained funding: Huybrechts, Hernandez-Diaz.
Administrative, technical, or material support: Huybrechts.
Study supervision: Patorno, Hernandez-Diaz.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and none were reported.
Funding/Support: This study was supported by grant R01 HSO18533 from the Agency for Healthcare Research and Quality. Dr Huybrechts was supported by career development grant K01MH099141 from the National Institute of Mental Health. Dr Bateman was supported by career development grant K08HD075831 from the National Institute of Child Health and Human Development. Dr Palmsten was supported by training grant T32HD060454 in Reproductive, Perinatal and Pediatric Epidemiology from the National Institute of Child Health and Human Development.
Role of the Funder/Sponsor: The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.