Funding for this research was provided by:
National Institute of Environmental Health Sciences (P42ES025589, 1R01ES021100)
National Institutes of Health (UG3OD023344, P50ES026102)
Centers for Disease Control and Prevention (UO1TS000135)
National Cancer Institute (P30CA118100)
Article History
Received: 19 November 2018
Accepted: 16 April 2019
First Online: 9 May 2019
Ethics approval and consent to participate
: All work on Navajo Nation has been approved and monitored by the Navajo Nation Human Research Review Board, as well as by the University of New Mexico Human Research Protection Office.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.