Received: 28 August 2018
Accepted: 5 April 2019
First Online: 2 May 2019
Change Date: 31 May 2019
Change Type: Correction
Change Details: The original version of this article  unfortunately included an error to an author’s name. Author Amin Ata Alamin was incorrectly presented as Anim Ata Alamin.The correct author name has been included in the author list of this Correction article and is already updated in the original article.
Ethics approval and consent to participate
: Ethical approval was sought out from the Research Ethics and Protocol Review Committee of the Ministry of Health of Eritrea in Asmara, Eritrea.Due to retrospective nature of the study, informed consent was waived by Health Research Protocol Review and Ethical Committee of the Ministry of Health of Eritrea with the reference number of 01/082017. Confidentiality was assured before the study and hence data use was permitted for study purpose only.
: Not applicable.
: The authors declare that they have no competing interests.
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