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Contributors CJH wrote the first draft, edited the manuscript, implemented the study, and collected the data. JBL contributed to the first draft, edited the manuscript, implemented the study, and collected the data. WMW and DM helped edit the manuscript and collect the data. TMA contributed to the first draft, edited the manuscript, implemented the study, and performed the statistical analysis.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent for publication Not required.
Ethics approval Approval was obtained from the Children’s Healthcare of Atlanta Investigational Review Board (CHOA IRB STUDY 00000288) with waiver of informed consent.
Provenance and peer review Not commissioned; externally peer reviewed.