Text and Data Mining valid from 2020-02-18
Received: 16 July 2019
Accepted: 4 February 2020
First Online: 18 February 2020
: The authors declare that they have no competing interests.
: This study has been approved by “Ain Shams University, Faculty of Medicine Research Ethics Committee” (REC) in May 2018. A written informed consent has been obtained from all patients enrolled in the study.
: Not applicable