Lee, Seung-Uk
Lee, Ji-Eun
Kim, Su-Jin
Lee, Jong-Soo
Article History
Received: 22 March 2018
Revised: 18 July 2018
Accepted: 26 July 2018
First Online: 4 August 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: All procedures performed in studies were in accordance with the ethical standards of the Medical Research Institution of Pusan National University Hospital and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.