Yachmenev, Andrey [P:(DE-H253)PIP1031546] ; Yang, Guang [P:(DE-H253)PIP1081974] ; Zak, Emil [P:(DE-H253)PIP1088359] ; Yurchenko, Sergei [P:(DE-HGF)0] ; Küpper, Jochen [P:(DE-H253)PIP1012175]