Funding for this research was provided by:
National Research Foundation of Korea (NRF-2017R1A5A1015596)
Samsung Electronics (800-20180337)
Text and Data Mining valid from 2019-01-11
Received: 22 October 2018
Revised: 5 December 2018
Accepted: 7 December 2018
First Online: 11 January 2019
Compliance with ethical standards
: All authors declare to have no conflict of interests.
: All procedures performed in studies involving human participants were approved by the Institutional Review Board of Seoul National University Hospital, Korea.
: Informed consent was obtained from all individual participants included.