Seo, Joongbae
Yang, Jongheon
Heo, Kang
Yoo, Jae-sung
Article History
Received: 4 April 2019
Accepted: 18 September 2019
First Online: 24 January 2020
Change Date: 12 June 2020
Change Type: Correction
Change Details: The original version of
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the local ethics committee and has therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: For this type of study informed consent is not required.