Text and Data Mining valid from 2019-12-01
Received: 4 June 2019
Accepted: 15 December 2019
First Online: 27 December 2019
Ethics approval and consent to participate
: Ethics approval was obtained from the research ethics review committee of Mekelle University, College of Health Sciences and the consent to participate was guaranteed by the ethics review committee and DHS program since an already existing data were used. However, confidentiality, and privacy of the data were considered.
: Not applicable.
: No competing interests.