Lee, Yu Ra http://orcid.org/0000-0002-1258-5363
Kim, Haksoon http://orcid.org/0000-0002-9890-589X
Lew, Bark Lynn http://orcid.org/0000-0003-4443-4161
Sim, Woo Young http://orcid.org/0000-0001-5300-6869
Lee, Jeongae http://orcid.org/0000-0002-7412-8977
Oh, Han Bin http://orcid.org/0000-0001-7919-0393
Hong, Jongki http://orcid.org/0000-0001-7742-5232
Chung, Bong Chul http://orcid.org/0000-0002-4449-0043
Funding for this research was provided by:
Korea institute of science and technology (2E29290)
Article History
Received: 3 September 2019
Accepted: 3 January 2020
First Online: 16 January 2020
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were approved by the Ethics Committee of the Kyung Hee University Medical center at Gangdong and approved by the institutional review board (IRB No. 2016-11-037-007) and performed in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Written informed consent was obtained from all patients and controls prior to sample collection, and consent was obtained from a parent or legal guardian prior to participation by minors in this study.