Text and Data Mining valid from 2019-11-28
Received: 19 September 2019
Accepted: 29 October 2019
First Online: 28 November 2019
Ethics approval and consent to participate
: The study protocol was approved by the research committee of the radiology department, Faculty of Medicine, Cairo University, Egypt, on 13 October 2014 followed by the approval of the faculty committee in the same month (<i>we do not have reference number, we have only the date of approval</i>). An informed oral consent from each patient was taken before enrollment into the study.
: Written informed consent was obtained from all individuals (all were older than 16 years old) relevant to this research.
: The authors declare that they have no competing interests.