Funding for this research was provided by:
The Scientific Research Developing Unit, Beni-Suef University (0000)
Text and Data Mining valid from 2018-12-11
Received: 30 August 2018
Accepted: 5 December 2018
First Online: 11 December 2018
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: The study was ethically approved by The Faculty of Medicine, Beni-Suef University.
: Informed consent was obtained from all individual participants included in the study.