Received: 23 February 2021
Accepted: 11 May 2021
First Online: 26 May 2021
: The medical ethics were considered and respected. The study was approved by the Institutional Ethics Committee in Faculty of Medicine, Alexandria University [IRB No: (00012098), FWA No: (00018699), Serial No: (0304694970)]. Patient verbal consent was obtained. It was approved by the Ethics Committee instead of written consent respecting absolute safety of noninvasive nontherapeutic procedure without additional personal risk or burden to the public health, also assuring full respect of both patient and medical record confidentiality.
: All patients included in this research gave written informed consent to publish the data contained within this study.
: The authors declare that they have no competing interests.