Watanabe, T. [P:(DE-Juel1)VDB50077] ; Hoffmann-Eifert, S. [P:(DE-Juel1)VDB3102] ; Yang, L. [P:(DE-Juel1)VDB61379] ; Rüdiger, A. [P:(DE-Juel1)VDB26957] ; Kügeler, C. [P:(DE-Juel1)VDB15125] ; Hwang, C. S. [P:(DE-HGF)0] ; Waser, R. [P:(DE-Juel1)131022]