Funding for this research was provided by:
Agricultural Research Service (6026-51000-010-05S)
National Institutes of Health (P20GM121293, P30GM110702)
Text and Data Mining valid from 2018-12-01
Received: 7 June 2018
Accepted: 21 August 2018
First Online: 3 December 2018
Ethics approval and consent to participate
: The study was approved by the ethics committee of the University of Arkansas for Medical Sciences. Written informed consent was obtained from parents of all children participating in the study and written assent was obtained from all children as well.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.