So, Sang-Yeon
Lee, Sung-Sahn
Jung, Eui Yub
Kim, Joo Hwan
Wang, Joon Ho
Funding for this research was provided by:
Ministry of Health and Welfare (HI15C2424)
Ministry of Science and ICT (NRF-2017R1A2B3007362)
Article History
Received: 6 December 2018
Accepted: 5 June 2019
First Online: 9 July 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest in the authorship and publication of this article.
: The study was done in agreement 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. This study was approved by the investigational review board of our institution (Samsung Medical Center, 2018-08-157-001).
: For this retrospective study, informed consent was not required.