Funding for this research was provided by:
Alfred P. Sloan Foundation
EPA STAR (FP-91780201-0)
Received: 18 December 2018
Revised: 4 March 2019
Accepted: 12 March 2019
First Online: 16 April 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: The views expressed in this publication are solely those of Dr. Raymond M. RedCorn, Ethan Hillman, Dr. Kevin Solomon, and Dr. Abigail S. Engelberth, and EPA does not endorse any products or commercial services mentioned in this publication.