Received: 13 May 2020
Accepted: 14 December 2020
First Online: 9 January 2021
Ethics approval and consent to participate
: Use of routine, anonymized data for this study was approved by the Mozambican Ethics Committee and the Center for Global Health Science Office at the Centers for Disease Control and Prevention. Informed consent was not required.
: Not applicable.
: The authors declare that they have no competing interests.