Chung, Hye Jin
Lee, Hee Chul
Park, Jinyoung
Childs, James
Hong, Jumi
Kim, Heesu
Cho, Sung Bin http://orcid.org/0000-0001-6748-5071
Article History
Received: 11 November 2018
Accepted: 21 December 2018
First Online: 2 January 2019
Compliance with ethical standards
: This study was approved by the Institutional Review Board of International St. Mary’s Hospital, Catholic Kwandong University College of Medicine.
: The authors declare that they have no conflict of interest.