Sohn, H. M.
Baik, J. S.
Hwang, J. Y.
Kim, S. Y. http://orcid.org/0000-0002-3187-3010
Han, S. H.
Kim, J. H.
Funding for this research was provided by:
SNUBH Research Fund (02-2013-065)
Article History
Received: 5 August 2018
Accepted: 20 November 2018
First Online: 3 December 2018
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.