Received: 13 February 2019
Accepted: 29 June 2019
First Online: 5 July 2019
Ethics approval and consent to participate
: Ethical clearance was obtained from Woldia University, Faculty of Health Sciences. A supportive letter was also obtained from Zonal Health Offices. Detail explanation about the objective and benefit of the study was explained to the participants to ensure their full cooperation. Written consent was obtained from the partner or legal guardians for those women aged less than 18 years. Besides assent was secured from participants aged below 18 years. Those who were aged 18 years and above, provided by written consent on their own. Confidentiality was maintained by keeping anonymously of any personal identifiers.
: Not applicable.
: The authors declare that they have no competing interests.