Kim, Eun Chul
Hwang, Kyu Yeon
Lim, Sung A.
Yi, Rowoon
Joo, Choun-Ki http://orcid.org/0000-0003-0535-4118
Funding for this research was provided by:
the National Research Foundation of Korea (2016R1A6A1A03010528)
National Research Foundation of Korea (2018R1D1A1A02085334)
Article History
Received: 17 June 2018
Accepted: 23 July 2019
First Online: 3 August 2019
Ethics approval and consent to participate
: This study was approved by the institutional review board at Bucheon St. Mary’s Hospital (HC17OESI0074); the informed consent was waived. All clinical investigations have been conducted according to the principles expressed in the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.