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Authors
El-Sappagh, Shaker
Kwak, Daehan
Ali, Farman
Kwak, Kyung-Sup
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Funding
Funding for this research was provided by:
National Research Foundation of Korea-Grant (NRF-2017R1A2B2012337)
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Article History
Received: 15 August 2017
Accepted: 4 January 2018
First Online: 6 February 2018
Ethics
Ethics approval and consent to participate: Not applicable.
Consent for publication: Not applicable.
Competing interests: The authors declare they have no competing interests.
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