Text and Data Mining valid from 2019-11-21
Received: 3 October 2019
Accepted: 11 November 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: Ethical clearance and approval was obtained from Mekelle University ethical review committee. Official letter was written from Tigray regional health bureau to each hospital and letter of permission was obtained from the medical director office to communicate with relevant bodies at the hospitals. All participants recruited to this study were informed about the purpose of the study, the right to participate or to terminate at any time if they want and they were ensured about the confidentiality of information. Finally, written consent was obtained from all the study participants.
: Not applicable for this section.
: All authors declare that they have no competing interests.