Ashry, Ahmed Hamdy
Soffar, Hussein Mohammed
Alsawy, Mohamed Fathalla
Article History
Received: 18 September 2020
Accepted: 3 November 2020
First Online: 26 November 2020
Ethics approval and consent to participate
: This observational study was approved by the ethics committee of the Neurosurgery Department, Kasr Alainy Faculty of Medicine, Cairo University, on the 13th of May 2020. The committee’s reference number is not applicable. All participants provided informed written consent to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.