Abdellatef, Essam
Ismail, Nabil A.
Abd Elrahman, Salah Eldin S. E.
Ismail, Khalid N.
Rihan, Mohamed
Abd El-Samie, Fathi E.
Article History
Received: 14 September 2018
Revised: 15 May 2019
Accepted: 31 May 2019
First Online: 23 July 2019
Compliance with ethical standards
:
: The authors declare that they have 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.