Text and Data Mining valid from 2018-04-03
Received: 7 February 2018
Revised: 22 March 2018
Accepted: 26 March 2018
First Online: 3 April 2018
Compliance with ethical standards
: Yehia Saleh, Abdallah Almaghraby, Basma Hammad, Ola Abdelkarim, Mahmoud Abdelnaby, Eman El-sharkawy and Mohamed Ayman abdel-hay declare that they have no conflict of interest.
: All procedures followed were in accordance with the ethical standards of the Responsible Committee on Human Experimentation (Institutional and National) and with the Helsinki Declaration of 1964 and later revisions.
: Informed consent was obtained from all patients for being included in the study.