Kim, Hyoung Rae
Hong, Yeon Sik
Park, Sung-Hwan
Ju, Ji Hyeon
Kang, Kwi Young
Article History
Received: 24 April 2018
Accepted: 24 September 2018
First Online: 16 October 2018
Ethics approval and consent to participate
: All participants provided written informed consent according to the Declaration of Helsinki, and the study was approved by the ethics committee at Incheon Saint Mary’s Hospital (study number OC16OISI0138).
: Not applicable.
: The authors declare that they have no competing interests.
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