Han, Donghoon
Lee, Ji Hyun
Oh, Il-Young
Chae, In-ho
Lee, Ho-Young
Cho, Youngjin http://orcid.org/0000-0001-8106-3713
Article History
Received: 3 October 2019
Accepted: 20 December 2019
First Online: 22 January 2020
Ethics approval and consent to participate
: This study protocol was approved by the Institutional Review Board of Seoul National University Bundang Hospital (B-1809-493-107) and was performed in accordance with the tenets of the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.