Funding for this research was provided by:
National Institutes of Health (UL1TR001108)
Received: 18 March 2019
Accepted: 7 June 2019
First Online: 20 June 2019
Ethics approval and consent to participate
: All procedures were conducted under protocol # 1309147354R005, approved by the Indiana University Institutional Review Board. Written informed consent was obtained from all study participants.
: Not applicable.
: All of the authors attest that they have no competing interests.