Paul, Amitesh [P:(DE-HGF)0] ; Schmidt, C. [P:(DE-HGF)0] ; Paul, N. [P:(DE-Juel1)131279] ; Ehresmann, A. [P:(DE-HGF)0] ; Mattauch, Stefan [P:(DE-Juel1)130821] ; Böni, Peter [P:(DE-HGF)0]