Department of Radiology and Radiation Oncology, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-ku, Kanagawa, Sagamihara 252-0374, Japan
Joe Y. Chang
Department of Radiation Oncology, Yamanashi University School of Medicine, Yamanashi, Japan
Hiroshi Onishi
Department of Radiation Oncology, Duke University, Durham, NC, USA
Joseph Salama
Department of Radiation Oncology, Yamanashi University School of Medicine, Yamanashi, Japan
Takao Hiraki
Department of Radiology, Okayama University Medical School, Okayama, Japan
Hideomi Yamashita
Department of Radiology, The University of Tokyo Hospital, Tokyo, Japan
