Alyahya, A.
Khanum, A.
Qudeimat, M.
Article History
Received: 22 September 2016
Accepted: 14 December 2017
First Online: 12 January 2018
Compliance with ethical standards
:
: This study was not funded.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: For this type of study formal consent is not required
: Author Alyahya declares that she has no conflict of interest. Author Khanum declares that she has no conflict of interest. Author Qudeimat declares that he has no conflict of interest. AA conceived and designed the study, developed data extraction forms, validated forms, extracted data, and wrote the manuscript; AK identified subjects and records and entered data; MQ helped in designing the study, developing data extraction forms, forms validation, analysed data and reviewed and edited manuscript.