Al-Kamel, Ahlam
Al-Hajj, Wadhah Abdulnaser
Halboub, Esam http://orcid.org/0000-0002-1894-470X
Abdulrab, Saleem
Al-Tahami, Khaled
Al-Hebshi, Nezar Noor
Article History
Received: 6 August 2018
Accepted: 11 January 2019
First Online: 23 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: “The study protocol was formally approved by the Research Ethics Committee at the Faculty of Medicine and Health Sciences, University of Sciences and Technology, Sana’a, Yemen (No 2016/20). The study has been conducted in full accordance with the World Medical Association Declaration of Helsinki.”
: “A written informed consent was obtained from each of the participants.”