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Authors
Mina, Feeby http://orcid.org/0000-0002-7403-6386
Darweesh, Mohammed El Sayed
Khattab, Ahmed Nabil
Serag, Shaimaa Mohammed
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Article History
Received: 26 November 2020
Accepted: 18 March 2021
First Online: 14 April 2021
Declarations
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: A systematic review study was carried out following the approval of the Research Ethical Committee of Faculty of Medicine, Phoniatric Unit, Tanta University (approval code: 32980/03/19), there were no patients in the study.
: Not applicable.
: The authors declare that they have no competing interests.
