Funding for this research was provided by:
National Institutes of Health (K12HD063087)
American Heart Association (16SFRN28930000)
Commonwealth of Pennsylvania Department of Health (RFA-67-16)
Received: 26 June 2018
Accepted: 23 December 2019
First Online: 8 January 2020
Ethics approval and consent to participate
: This study was approved by the University of Pittsburgh Institutional Review Board, IRB PRO13020275, on March 5, 2013. Permission was obtained to access the database, and the data was de-identified upon data collection.
: Not applicable.
: The authors declare that they have no competing interests.