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Lack of effect of vitamin D3 supplementation in autism: a 20-week, placebo-controlled RCT
  1. Conor P Kerley1,
  2. Clare Power1,
  3. Louise Gallagher2,3,
  4. David Coghlan1
  1. 1 Department of Paediatric Medicine, National Children’s Hospital, Dublin, Ireland
  2. 2 Department of Psychiatry, Trinity College Dublin, Dublin, Ireland
  3. 3 Trinity Translational Medicine Institute, St. James’s Hospital, Dublin, Ireland
  1. Correspondence to Dr Conor P Kerley, Department of Paediatric Medicine, National Children’s Hospital, Tallaght, Dublin 24, Ireland; conorkerley{at}gmail.com

Footnotes

  • Contributors CPK conceptualised and designed the study and data collection instruments, coordinated and supervised data collection, carried out the initial analyses, drafted the initial manuscript and approved the final manuscript as submitted. CP reviewed, coordinated and supervised data collection; revised the manuscript and approved the final manuscript as submitted. LG designed the data collection instruments and approved the final manuscript as submitted. DC conceptualised and designed the study, carried out the initial analyses and approved the final manuscript as submitted.

  • Funding This trial was supported by funding from the National Children’s Hospital Foundation, Ireland. The funding body had no involvement instudy design, data collection, analysis or interpretation.

  • Competing interests None declared.

  • Patient consent Guardian consent obtained.

  • Ethics approval Research Ethics Committee of the National Children’s Hospital.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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Footnotes

  • Contributors CPK conceptualised and designed the study and data collection instruments, coordinated and supervised data collection, carried out the initial analyses, drafted the initial manuscript and approved the final manuscript as submitted. CP reviewed, coordinated and supervised data collection; revised the manuscript and approved the final manuscript as submitted. LG designed the data collection instruments and approved the final manuscript as submitted. DC conceptualised and designed the study, carried out the initial analyses and approved the final manuscript as submitted.

  • Funding This trial was supported by funding from the National Children’s Hospital Foundation, Ireland. The funding body had no involvement instudy design, data collection, analysis or interpretation.

  • Competing interests None declared.

  • Patient consent Guardian consent obtained.

  • Ethics approval Research Ethics Committee of the National Children’s Hospital.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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