Choi, Jin Woo
Nahm, Hyunjoo
Shin, Jung Eun
Kim, Chang-Hee
Article History
Received: 26 March 2019
Revised: 12 June 2019
Accepted: 20 June 2019
First Online: 5 July 2019
Compliance with ethical standards
: The study was approved by the Institutional Review Board (KUH1110084).
: The authors declare that they have no conflict of interest.
Free to read: This content has been made available to all.