Won, Jungho
Choi, Dae Seob http://orcid.org/0000-0001-8103-3303
Hong, Seok Jin
Shin, Hwa Seon
Baek, Hye Jin
Choi, Ho Cheol
Kim, Minjung
Kim, Rock Bum
Article History
Received: 16 March 2018
Accepted: 9 July 2018
First Online: 13 July 2018
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of our institutional review board (IRB) after its approval and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Our IRB determined that patient approval and informed consent were not required because of retrospectively reviewing images and records.