Kim, Sung Jin
You, Dalsan
Jeong, In Gab
Song, Cheryn
Hong, Bumsik
Kim, Choung-Soo
Ahn, Hanjong
Hong, Jun Hyuk https://orcid.org/0000-0003-2705-0481
Article History
Received: 22 March 2019
Accepted: 17 June 2019
First Online: 21 June 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: Not applicable.
: Data cannot be made available because of restrictions imposed by the Asan Medical Center Institutional Review Board (). In case of further questions, the homepage of the IRB is “” and the contact number for the person in charge of document access is “Tel: +82-2-3010-7165.”