Park, Sung-Pa
Seo, Jong-Geun
Article History
Received: 19 June 2018
Accepted: 5 August 2018
First Online: 14 August 2018
Ethics approval and consent to participate
: The Institutional Review Board of Kyungpook National University Hospital approved the study.
: 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.