Yoon, Hyun-Kyu
Lee, Hyung-Chul
Kang, Pyoyoon
Lee, Jung-Man
Park, Hee-Pyoung
Cho, Youn Joung http://orcid.org/0000-0001-6478-8616
Article History
Received: 19 May 2020
Accepted: 1 September 2020
First Online: 5 September 2020
Ethics approval and consent to participate
: This study was approved by the institutional review board of Seoul National University Hospital (1707–110-871, Seoul, Korea) and registered at ExternalRef removed on September 28, 2017 (NCT03296735 for stage I) and on October 6, 2017 (NCT03303274 for stage II). Written informed consent was obtained from each patient prior to enrollment.
: Not applicable.
: The authors declare that they have no competing interests.