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Authors
Berr, Nina
Nigatu, Yemisrach
Dereje, Nebiyu
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Article History
Received: 20 January 2021
Accepted: 9 April 2021
First Online: 26 April 2021
Declarations
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: Ethical clearance was obtained from the Institutional Review Board (IRB) of Myungsung Medical College. The participants were informed about the objective of the study and written informed consent was gained from the caretakers.
: Not applicable.
: The authors declare that they have no competing interests.
