Stasevich, T. J. [P:(DE-HGF)0] ; Gebremariam, H. [P:(DE-HGF)0] ; Einstein, T. L. [P:(DE-HGF)0] ; Giesen, M. [P:(DE-Juel1)4744] ; Steimer, C. [P:(DE-Juel1)VDB5711] ; Ibach, H. [P:(DE-Juel1)VDB5414]