Received: 13 April 2020
Accepted: 13 May 2020
First Online: 21 May 2020
Ethics approval and consent to participate
: The study was approved by the ethical committee of the Faculty of Medicine, Zagazig University, and an informed written consent to participate in the study was taken from all subjects. The date of the approval of the protocol was Jan 2015 from the Department of Radiology, Faculty of Medicine, Zagazig University. The committee has no reference number, only the date.
: All patients gave a written informed consent for publication of the study. If the patient was decreased consciousness or comatose, written informed consent was given by the legal guardians.
: The authors declare that they have no competing interests.