khallaf, Mohamed
Abdelrahman, Mohamed
Article History
Received: 19 October 2018
Accepted: 1 May 2019
First Online: 15 May 2019
Ethics approval and consent to participate
: Research committee approval has been granted for this study by the Medical Ethics Committee, Faculty of Medicine, Assiut University, with ethics committee approval number 17300234. Informed consent according to the criteria set by the local research ethics committee in our center had to be obtained in writing before surgery. If consent could not be obtained because the patient was in coma or young age (< 18 years), consent was obtained from relatives. Through explanation to the purpose of the study and how data will be treated with respect and confidentiality was provided to the participants.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.