Funding for this research was provided by:
U.S. Department of Health & Human Services | National Institutes of Health (Undergraduate Scholarship Program)
U.S. Department of Health & Human Services | NIH | NIH Clinical Center (Intramural research program, Intramural research program, Intramural research program)
Article History
Received: 18 January 2019
Accepted: 28 June 2019
First Online: 30 July 2019
Competing Interests
: The authors declare no competing interests.