Funding for this research was provided by:
National Institutes of Health (1P20MD006988)
South Coast Air Quality Management District/BP West Coast Products Oversight Committee (659005)
Received: 23 April 2018
Accepted: 3 August 2018
First Online: 3 September 2018
Ethics approval and consent to participate
: The research study was approved by Loma Linda University Institutional Review Board (IRB #5110054). All participants provided informed written consent prior to participation in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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