Yang, Yuchao [P:(DE-HGF)0] ; Gao, Peng [P:(DE-HGF)0] ; Li, Linze [P:(DE-HGF)0] ; Pan, Xiaoqing [P:(DE-HGF)0] ; Tappertzhofen, Stefan [P:(DE-HGF)0] ; Choi, ShinHyun [P:(DE-HGF)0] ; Waser, Rainer [P:(DE-HGF)0] ; Valov, Ilia [P:(DE-Juel1)131014] ; Lu, Wei D. [P:(DE-HGF)0]