Author Contributions: Dr Husain 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: Husain, Anderson, Lopes Cardozo, Becknell, Blanton, Araki, Vithana.
Acquisition of data: Husain, Anderson, Becknell, Araki.
Analysis and interpretation of data: Husain, Anderson, Lopes Cardozo, Blanton, Vithana.
Drafting of the manuscript: Husain, Anderson, Becknell.
Critical revision of the manuscript for important intellectual content: Husain, Anderson, Lopes Cardozo, Becknell, Blanton, Araki, Vithana.
Statistical analysis: Husain, Anderson, Blanton.
Obtained funding: Anderson, Araki.
Administrative, technical, or material support: Anderson, Becknell, Araki, Vithana.
Study supervision: Anderson, Araki, Vithana.
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 the CDC and UNICEF.
Role of the Sponsors: The CDC and UNICEF assisted in the design of the study, data collection, data management, analysis, interpretation, manuscript preparation, manuscript review, and obtaining authorization for publication from each author.
Disclaimer: The findings and conclusions in this publication are those of the authors and do not necessarily represent the official position of the CDC.
Additional Contributions: We thank UNICEF and the government of Sri Lanka for in-country operational support, International Emergency and Refugee Health Branch for technical support, and the survey staff and team members in Jaffna for the implementation of the survey.