Text and Data Mining valid from 2019-11-21
Received: 1 June 2019
Accepted: 30 October 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: The study was approved by the Medical Ethics Committee of Minia university Hospital, Egypt. As the study used anonymous clinical data, the patients were not required to give informed consent for the study (code: 45 A at 2/5/2016).
: Not applicable.
: The authors declare that they have no competing interests.