Funding for this research was provided by:
National Institute of Food and Agriculture (2012-68004-20018)
Received: 23 August 2018
Accepted: 16 April 2019
First Online: 24 May 2019
Compliance with ethical standards
: All study procedures and ethical considerations for human subjects were approved by the University of California at Berkeley’s Ethics Review Board #2012–07- 4484 and each Tribe’s respective research review. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Specifically, informed consent was obtained from all individual participants included in the study; all study participants remain anonymous with private and culturally sensitive information protected; and all tribal collaborators have had the opportunity to read and comment on this article prior to publication.
: The authors declare they have no conflict of interest.