Hagen, V. [P:(DE-HGF)0] ; Bendig, J. [P:(DE-HGF)0] ; Frings, S. [P:(DE-Juel1)VDB421] ; Eckardt, T. [P:(DE-HGF)0] ; Helm, S. [P:(DE-HGF)0] ; Reuter, D. [P:(DE-Juel1)VDB1329] ; Kaupp, U. B. [P:(DE-Juel1)VDB728]