Received: 23 June 2019
Accepted: 5 June 2020
First Online: 8 July 2020
Ethics approval and consent to participate
: Consent was taken from all patients and the research was approved by the Ethics Committee of the Faculty of Medicine—Alexandria University (which is constituted and operates according to ICH GCP guidelines and applicable local and institutional regulations and guidelines which govern EC operation for the last 9 years. It has FWA from 2010). The ethical approval was taken on June 2016, and the reference number is 0104555.
: All participants had signed an informed consent to participate and for the data to be published without names.
: The authors declare that have no competing interests.