[1] SAGA HIMAT Fdn, Ion Beam Therapy Ctr, Saga, Japan
[2] Hiroshima Univ Hosp, Hiroshima, Japan
[3] Univ Yamanashi, Kofu, Yamanashi, Japan
[4] Inst Biomed Res, Kobe, Hyogo, Japan
[5] Innovat Hosp, Kobe, Hyogo, Japan
[6] Nagoya City Univ, Grad Sch Med Sci, Nagoya, Aichi, Japan
[7] Kyoto Univ, Grad Sch Med, Kyoto, Japan
[8] Seirei Mikatahara Gen Hosp, Hamamatsu, Shizuoka, Japan
[9] Japanese Fdn Canc Res, Canc Inst Hosp, Tokyo, Japan