Funding for this research was provided by:
National Research Foundation of Korea (NRF-2018K1A4A3A02060572)
Korea Health Industry Development Institute (HI15C1524)
Article History
Received: 11 December 2018
Accepted: 4 September 2019
First Online: 17 September 2019
Compliance with ethical standards
:
: Hun-Mu Yang, Kang-Jae Shin, Junwon Min, and Seung Hoon Woo have no financial or material support has been received for this work; moreover, the authors declare no financial interests in companies or other entities that could have an interest in the information contained within this study. Hun-Mu Yang, Kang-Jae Shin, Junwon Min, and Seung Hoon Woo have no conflicts of interest or financial ties to disclose.