Received: 9 April 2020
Accepted: 21 September 2020
First Online: 13 November 2020
Ethics approval and consent to participate
: This study was determined not to be human subjects research by the institutional review board of the Centers for Disease Control and Prevention as it entailed secondary analysis of routinely collected programmatic data Permission to use the data were obtained from the organizations collecting the datasets.The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the Centers for Disease Control.
: Not applicable.
: All authors declare that they have no competing interests; no support from any organization for the submitted work; no financial relationships with any organizations that might have an interest in the submitted work in the previous three years; no other relationships or activities that could appear to have influenced the submitted work<b>.</b>