Jeong, WooSeong
Joo, Seung-Jae
Kim, Jinsoek
Lee, Jae-Geun
Choi, Joon Hyouk
Article History
Received: 22 March 2019
Accepted: 25 April 2019
First Online: 1 June 2019
Compliance with ethical standards
:
: WooSeong Jeong, Seung-Jae Joo, Jinsoek Kim, Jae-Geun Lee, and Joon Hyouk Choi declare that they have no conflict of interest.
: This hospital-based observational study was approved by the ethical committee of the institutional review board of Jeju National University Hospital, and all participants provided informed and written consent.