Article History
Received: 25 February 2019
Accepted: 28 October 2019
First Online: 9 November 2019
Ethics approval and consent to participate
: This study was approved by the Research Ethics and Science (ERES) Converge committee (Reference number: 2014-May-028) in Zambia. No written consent from participants was obtained as the study used secondary data (programmatic data) and hence had no direct contact with study participants. However, permission to use the CCPPZ dataset was sought from the Director-CIDRZ, and approval to conduct the research was obtained from the University of Zambia (UNZA), School of Medicine.
: Not applicable
: The authors declare that they have no competing interests.