Funding for this research was provided by:
National Institute of Child Health and Human Development (5R01HD087133)
Text and Data Mining valid from 2020-02-10
Received: 14 January 2019
Accepted: 20 January 2020
First Online: 10 February 2020
Ethics approval and consent to participate
: Parents of the enrolled children provided written informed consent for participation in the study as approved by the University of Delaware’s Institutional Review Board.
: The parents also provided written consent for pictures to be used in research publications.
: The authors declare that they have no competing interests.