Park, Jihye
Lee, Hyun Jung http://orcid.org/0000-0003-2764-9339
Park, Soo Jung
Hur, Hyuk
Min, Byung Soh
Cheon, Jae Hee
Kim, Tae Il
Kim, Nam Kyu
Kim, Won Ho
Article History
Accepted: 1 March 2018
First Online: 12 March 2018
Compliance with ethical standards
: Informed consent was obtained from all patients before the procedure. This study was approved by the institutional review board of Severance Hospital, Yonsei University (Seoul, Korea) and was conducted in accordance with the ethical principles of the Declaration of Helsinki