Received: 7 May 2020
Accepted: 21 October 2020
First Online: 6 November 2020
Ethics approval and consent to participate
: Subjects were enrolled in the study after explaining the purpose and procedure of the study and obtaining a written informed consent ensuring their confidentiality. The study follows the Research Ethics Committee of the Faculty of Medicine, Menoufia University, Egypt. The reference number of the Committee approval is not available.
: Not applicable.
: The authors have no competing interests to report.