Funding for this research was provided by:
National Institute of Environmental Health Sciences (P42ES017198, P50ES026049, UG3OD023251)
National Institutes of Health (UH3OD023251)
Received: 28 June 2018
Accepted: 28 February 2019
First Online: 2 April 2019
Ethics approval and consent to participate
: This study was approved by the research and ethics committees of the University Of Michigan School Of Public Health, University of Puerto Rico, Northeastern University, and the University of Georgia. All study participants provided full informed consent prior to participation.
: Not applicable.
: The authors declare that they have no competing interests. The involvement of the Centers for Disease Control and Prevention (CDC) laboratory did not constitute engagement in human subjects research.
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