Park, Kang Min
Lee, Ho-Joon
Lee, Byung In
Kim, Sung Eun
Funding for this research was provided by:
the Ministry of Science and ICT of the Republic of Korea (NRF-2017R1C1B5015871)
Article History
Received: 4 June 2018
Revised: 26 September 2018
Accepted: 4 October 2018
First Online: 12 October 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 ethical standards of the institutional and/or national research committee, and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Formal consent was not required for a study of this type.