Text and Data Mining valid from 2020-03-04
Received: 23 September 2019
Accepted: 7 February 2020
First Online: 4 March 2020
Ethics approval and consent to participate
: Ethical clearance was obtained from measure DHS through filling requesting form for accessing data. The data used in this study are publicly available at ExternalRef removed . Aggregated secondary data, which has not any personal identifying information that can be linked to study participants. The confidentiality of data was maintained anonymously.
: Not applicable.
: The authors declared that they have no competing interests.