Chung, Haerim
Jang, Ji Eun
Kim, Soo-Jeong
Kim, Jin Seok
Min, Yoo Hong
Cheong, June-Won
Article History
Received: 25 November 2019
Accepted: 28 March 2020
First Online: 6 April 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the institutional review board of Severance Hospital (4–2010-0669). All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study. All subjects provided written informed consent, and all patient samples were coded and linked anonymously