Pintsuk, G. [P:(DE-Juel1)VDB5612] ; Brünings, S. E. [P:(DE-Juel1)VDB190] ; Döring, J.-E. [P:(DE-Juel1)VDB3365] ; Linke, J. [P:(DE-Juel1)VDB2728] ; Smid, I. [P:(DE-Juel1)VDB2789] ; Xue, L. [P:(DE-HGF)0]