Funding for this research was provided by:
National Institutes of Health (R01NR016423)
Received: 16 September 2020
Accepted: 7 October 2020
First Online: 20 October 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board (IRB) at the University of Missouri, Columbia. All residents signed a hard copy informed consent approved by the IRB prior to participation in the study.
: Not applicable.
: The authors declare that they have no competing interests.