Li, Z. [P:(DE-Juel1)VDB2436] ; Pobelov, I. [P:(DE-Juel1)VDB45469] ; Han, B. [P:(DE-Juel1)VDB35518] ; Wandlowski, Th. [P:(DE-Juel1)VDB9859] ; Blaszcyk, A. [P:(DE-HGF)0] ; Mayor, M. [P:(DE-HGF)0]