Xiang, Dong [P:(DE-HGF)0] ; Jeong, Hyunhak [P:(DE-HGF)0] ; Kim, Dongku [P:(DE-HGF)0] ; Lee, Takhee [P:(DE-HGF)0] ; Cheng, Yongjin [P:(DE-HGF)0] ; Wang, Qingling [P:(DE-HGF)0] ; Mayer, Dirk [P:(DE-Juel1)128707]