Hong, Namki
Kim, Chang Oh
Youm, Yoosik
Choi, Jin-Young
Kim, Hyeon Chang
Rhee, Yumie
Article History
Received: 27 March 2018
Accepted: 3 August 2018
First Online: 14 August 2018
Compliance with ethical standards
:
: The study was approved by the Institutional Review Board (IRB) of Severance Hospital (IRB no. 4-2012-0172), with written informed consent obtained from all participants. All procedures performed in studies involving human participants were in accordance with the ethical standards of the IRB and with the 1964 Helsinki Declaration and its later amendments.
: None.