Yeom, Hyungseon
Kim, Hyeon Chang
Lee, Ju-Mi
Jeon, Yongwoo
Suh, Il
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2014R1A2A1A11053818)
Korea Health Industry Development Institute (HI13C0715)
Article History
Received: 5 March 2018
Accepted: 31 August 2018
First Online: 10 September 2018
Ethics approval and consent to participate
: Informed consent was obtained from all participants in our study. The study protocol was approved by the institutional review board of the Severance Hospital at the Yonsei University Health System (4–2014-0914).
: Not applicable.
: The authors declare that they have no competing interests.
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