Funding for this research was provided by:
Indian Health Service (GS-00F-0012S)
Received: 23 July 2019
Accepted: 9 October 2019
First Online: 11 November 2019
Ethics approval and consent to participate
: Received an exemption from the IHS Institutional Review Board (IRB) on January 22, 2018. The study is exempt from IRB review under 45 CFR 46.102(d). The study qualifies as public health practice and does not meet the definition of research under 45 CFR 46.101(b)(5).
: Not applicable.
: No competing interests.