Text and Data Mining valid from 2019-02-04
Received: 10 November 2018
Accepted: 23 January 2019
First Online: 4 February 2019
Ethics approval and consent to participate
: We used anonymized data collected for health surveillance but asked bioethics approval as per national guidelines in Mozambique (Comité Nacional de Bioética para a Saúde, IRB 00002657).
: Not Applicable
: The authors declare that they have no competing interests.
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