Park, Younghee
Park, Hae Jin
Jang, Won Il
Jeong, Bae Kwon
Kim, Hun-Jung
Chang, Ah Ram
Funding for this research was provided by:
Soonchunhyang University
Article History
Received: 10 October 2018
Accepted: 12 November 2018
First Online: 23 November 2018
Ethics approval and consent to participate
: This study was approved by Korea Radiation Oncology Group (KROG) and the Institutional Review Board of each participant institutions.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.