Text and Data Mining valid from 2020-01-03
Received: 10 October 2019
Accepted: 12 November 2019
First Online: 3 January 2020
Ethics approval and consent to participate
: The study protocol and the consent form were accepted by Institutional Research Board (Faculty of Medicine, Mansoura University) (R.18.03.108). The informed written consent to participate in the study was provided by all participants (or their parent or legal guardian in the case of children under 16).
: Not applicable (No personal data or photos that could interfere with the patient’s confidentiality).
: The authors declare that they have no competing interests.