Funding for this research was provided by:
Emory University (Scholarly Inquiry, Research at Emory (SIRE) fellowship)
John Merck Fund (scholar award)
Article History
Received: 2 November 2018
Accepted: 17 May 2019
First Online: 29 May 2019
Compliance with ethical standards
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained on behalf of each child by a parent or legal guardian.