Yi, Young-Soo
Ban, Woo Ho
Sohng, Kyeong-Yae
Article History
Received: 23 December 2017
Accepted: 19 October 2018
First Online: 29 October 2018
Ethics approval and consent to participate
: This study was approved by the Clinical Research Ethics Committee of the Catholic Medical Center, and written informed consent was obtained from each participant in accordance with the Declaration of Helsinki.
: The authors consent to the publication of the manuscript and all materials attached.
: The authors declare that they have no competing interests.
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