Zhu, Jianjun [P:(DE-HGF)0] ; Hirl, Regina T. [P:(DE-HGF)0] ; Baca Cabrera, Juan C. [P:(DE-Juel1)194449] ; Schäufele, Rudi [P:(DE-HGF)0] ; Schnyder, Hans [P:(DE-HGF)0]