Article History
Received: 22 January 2021
Accepted: 1 March 2021
First Online: 5 April 2021
Declarations
:
: The proposal of the current study was approved by the ethical committee of the Faculty of Medicine-Alexandria University in January 2018 (approval number 214/2018). An informed written consent was signed by all participants or their care givers prior to the study. The committee’s reference number is not available. The current study is original and has not been published elsewhere in any form or language (partially or in full). Results of the current study were presented clearly, honestly, and without fabrication, falsification, or inappropriate data manipulation. No data, text, or theories by others are presented as if they were the author’s own (“plagiarism”).
: Not applicable
: The authors have each completed and submitted an International Committee of Medical Journal Editors Uniform Disclosure Form for Potential Conflicts of Interest. Neither of the authors discloses any potential or actual conflict of interest. No financial or nonfinancial benefits have been or will be received from any party related directly or indirectly to the subject of this article.