Received: 6 September 2017
Accepted: 22 June 2018
First Online: 5 July 2018
Ethics approval and consent to participate
: All of the patients who participated in this study signed an informed consent form. This protocol was approved by the Ethical Review Committee of department of Medical Microbiology, Immunology and Parasitology (DMIP), College of Health Science, Addis Ababa University, AHRI/ALERT Ethical Committee (AAEC), and department of Gynecology and Obstetrics of Tikur Anbessa Specialized Hospital.
: Not applicable.
: The authors declare that they have no competing interests. The authors alone are responsible for the content and writing of this paper.
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