Funding for this research was provided by:
Maternal and Child Health Bureau (T73MC12835)
Centers for Disease Control and Prevention (5U48DP005022)
Received: 18 February 2020
Accepted: 21 March 2021
First Online: 7 April 2021
: The University of Minnesota Institutional Review Board determined this secondary analysis of anonymous data did not meet the definition of human subject research (#20150608).
: not applicable.
: The authors declare that they have no competing interests.