OKUMA, Gaku [P:(DE-HGF)0] ; KADOWAKI, Daiki [P:(DE-HGF)0] ; SHINODA, Yutaka [P:(DE-HGF)0] ; AKATSU, Takashi [P:(DE-HGF)0] ; Guillon, Olivier [P:(DE-Juel1)161591] ; WAKAI, Fumihiro [P:(DE-HGF)0]