Lee, Gee Mun
You, Ji Young
Kim, Hoon Yub
Chai, Young Jun
Kim, Hong Kyu
Dionigi, Gianlorenzo
Tufano, Ralph P.
Funding for this research was provided by:
Korea University (K1710691)
Article History
Received: 2 September 2018
Accepted: 10 December 2018
First Online: 19 December 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: 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. For this retrospective study, formal consent is not required.