El Massry, Ahmed Abdel Karim
Said, Amr Ahmed
Osman, Ihab Mohamed
Bessa, Amr Saad
Elmasry, Mohammed Ahmed
Elsayed, Eman Nabil
Bayoumi, Nader Hussein Lotfy http://orcid.org/0000-0002-3140-5073
Article History
Received: 1 August 2019
Accepted: 30 December 2019
First Online: 8 January 2020
Compliance with ethical standards
:
: All authors declare no conflict of interest with any of the stated materials in the study.
: 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.