Funding for this research was provided by:
National Science Foundation (DMS-1042134)
Office of Extramural Research, National Institutes of Health (HL102241, AG048108, MH100820, ES006189)
Article History
Received: 2 October 2017
Accepted: 20 June 2018
First Online: 2 August 2018
Competing Interests
: The authors declare no competing interests.