Funding for this research was provided by:
Inje University (20180109)
Received: 11 September 2019
Accepted: 6 December 2019
First Online: 12 December 2019
Ethics approval and consent to participate
: Our research was performed in accordance with the Declaration of Helsinki. This study was approved by the institutional review board of Sanggye Paik Hospital (SGPAIK2016–08-033).
: Not applicable.
: All authors declare any financial support or relationship that may pose a conflict of interest.