Litvinov, Yury [P:(DE-Ds200)OR0734] ; Stöhlker, Thomas [P:(DE-Ds200)OR1264] ; Ma, Xin Wen [P:(DE-HGF)0] ; Zhang, Yu Hu [P:(DE-HGF)0] ; Yamaguchi, Takayuki [P:(DE-HGF)0]