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Text and Data Mining valid from 2021-01-23
Version of Record valid from 2021-01-23
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Article History
Received: 24 June 2020
Accepted: 12 January 2021
First Online: 23 January 2021
Ethics approval and consent to participate
: Since the study is a review of already published literature, ethical approval was not necessary and not assured.
: The authors of this review and meta-analytic study declared that the existed no conflict of interest for the research work.
