Abdulrazaq, Saif Saadedeen http://orcid.org/0000-0002-5553-3694
Article History
Received: 13 April 2018
Accepted: 2 May 2019
First Online: 12 May 2019
Compliance with ethical standards
:
: The author declares that he has no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.