Sladek, K. [P:(DE-Juel1)VDB86963] ; Liu, P.Q. [P:(DE-HGF)0] ; Wang, X. [P:(DE-HGF)0] ; Fan, J-Y. [P:(DE-HGF)0] ; Grützmacher, D. [P:(DE-Juel1)125588] ; Gmachl, C.F. [P:(DE-HGF)0]