Lim, Myong Cheol
Won, Young-Joo http://orcid.org/0000-0001-9861-6740
Lim, Jiwon
Seo, Sang-Soo
Kang, Sokbom
Yoo, Chong Woo
Kim, Joo-Young
Oh, Jae Hwan
Bristow, Robert E.
Park, Sang-Yoon
Funding for this research was provided by:
National Cancer Center (1610200)
Article History
Received: 1 January 2018
Accepted: 29 January 2018
First Online: 14 February 2018
Compliance with ethical standards
:
: The 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 the institutional research committee (NCC2014-0068) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was not required, because all registry records are anonymized prior to the analyses.