Article History
Received: 23 July 2019
Accepted: 12 February 2020
First Online: 19 February 2020
Ethics approval and consent to participate
: This study was approved by ethical committee of Benha Faculty of Medicine, Benha University.
: Consent for the publication of identifying patient/clinical data as well as identifying images was obtained from all relevant patients in writing.
: The authors declare that they have no competing interests” in this section.