Text and Data Mining valid from 2019-12-31
Received: 11 September 2019
Accepted: 26 December 2019
First Online: 31 December 2019
Ethics approval and consent to participate
: Ethical approval and clearance for this study was obtained from the University of Ibadan, University College Hospital /UCH/ institutional ethical review committee (Ref.NHREC/05/01/2008a). An official letter of cooperation was getting from Tigray Regional State Health Bureau to selected hospitals. Permission from each Chief Executive Officer of the hospitals was received too. Data collectors approached individually the study participants who were given information regarding the purpose of the study, confidentiality of study, their right to participate or withdraw from the study. Finally, written consent was obtained from the study participants.
: Not applicable.
: The authors declare that they have no competing interests.