Funding for this research was provided by:
National Institute of Dental and Craniofacial Research (UH2DE025483)
Received: 26 February 2018
Accepted: 17 September 2018
First Online: 4 October 2018
Ethics approval and consent to participate
: This study was approved by the University of Illinois at Chicago Institutional Review Board (Protocol # 2015-0815) and the Chicago Department of Public Health Institutional Review Board (#16-06). Participants provided written informed consent.
: Not applicable
: The authors declare that they have no competing interests.
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