Funding for this research was provided by:
U.S. Department of Health & Human Services | NIH | National Institute of General Medical Sciences (NIH-F32GM110892, R01GM34059)
U.S. Department of Health & Human Services | National Institutes of Health (NIH-T32HG003284, NIH-DP1GM119167)
Received: 27 November 2017
Accepted: 15 August 2018
First Online: 17 October 2018
: The authors declare no competing interests.