Funding for this research was provided by:
Industrial Strategic Technology Development Program (#10079271, #2000134)
the Korean Government and the Korea Health Technology R&D Project (No. HI14C2640)
Received: 11 November 2019
Accepted: 15 May 2020
First Online: 24 May 2020
Ethical approval and consent to participate
: All patients or legal guardians consented to participation in the study in accordance with Institutional Review Board guidelines (IRB No.1612-011-811) of Seoul National University Hospital, South Korea.
: All authors consent to the publication of this manuscript.
: The authors declare no competing financial interest.