Park, Mina
Moon, Yeonsil
Han, Seol-Heui
Moon, Won-Jin
Funding for this research was provided by:
National Research Foundation of Korea (No. 2017R1A2B4010634)
Ministry of Health and Welfare (HI18C1038)
Article History
Received: 8 November 2018
Accepted: 3 January 2019
First Online: 28 January 2019
Compliance with ethical standards
:
: This work was funded by the National Research Foundation of Korea (NRF) Grant funded by the Korean government (MSIP) (No. 2017R1A2B4010634) and by a grant from the Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHID), funded by the Ministry of Health and Welfare, Republic of Korea (Grant No. HI18C1038).
: 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 type of study formal consent is not required.
: For this type of retrospective study formal consent is not required.