Department of Radiation Oncology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul, 06351, Republic of Korea

Nalee Kim & Do Hoon Lim

Department of Radiation Oncology, Yonsei Cancer Center, Severance Hospital, Yonsei University Health System, Yonsei University College of Medicine, Seoul, Republic of Korea

Joongyo Lee, Jaeho Cho & Hong In Yoon

Department of Neurosurgery, Brain Tumor Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea

Do-Hyun Nam, Jung-Il Lee, Ho Jun Seol, Doo-Sik Kong, Jung Won Choi, Kyuha Chong & Won Jae Lee

Department of Neurosurgery, Severance Hospital, Yonsei University Health System, Yonsei University College of Medicine, Seoul, Republic of Korea

Jong Hee Chang, Seok-Gu Kang & Ju Hyung Moon

Brain Tumor Center, Severance Hospital, Yonsei University Health System, Yonsei University College of Medicine, Seoul, Republic of Korea

Jong Hee Chang, Seok-Gu Kang & Ju Hyung Moon

Department of Radiation Oncology, Heavy Ion Therapy Research Institute, Yonsei Cancer Center, Yonsei University Health System, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea

Joongyo Lee, Jaeho Cho & Hong In Yoon