Younghee Park1, Hee Jung Kim1, Ah Ram Chang2. 1. Department of Radiation Oncology/CyberKnife Center, Soonchunhyang University Seoul Hospital, 59 Daesagwan-ro, Yongsan-gu, Seoul, 140-743, Republic of Korea. 2. Department of Radiation Oncology/CyberKnife Center, Soonchunhyang University Seoul Hospital, 59 Daesagwan-ro, Yongsan-gu, Seoul, 140-743, Republic of Korea. changaram@schmc.ac.kr.
Upon publication of the original article [1], it was noticed that the Funding Section was missing. The Funding section should read as “This work was supported by the Soonchunhyang University Research Fund”. This has now been acknowledged and corrected in this erratum.