Seo, Won Jun
Son, Taeil
Shin, Hyejung
Choi, Seohee
Roh, Chul Kyu
Cho, Minah
Kim, Hyoung-Il
Hyung, Woo Jin
Article History
Received: 6 April 2020
Accepted: 11 September 2020
First Online: 29 September 2020
Competing interests
: Dr. Seo, Dr. Son, Ms. Shin, Dr. Choi, Dr. Roh, Dr. Cho, Dr. Kim has no competing interests. Dr. Hyung received research grant from Medtronic and GC Pharma, and this funding source had no role in the design of this study and will not have any role during its execution, analyses, interpretation of the data, or decision to submit results. This study was supported by a faculty research grant from Yonsei University College of Medicine (6–2019-0053), and the funding source had no involvement in the study design.