Hou, Tingting [P:(DE-HGF)0] ; Luo, Nagchao [P:(DE-HGF)0] ; Li, Hongji [P:(DE-HGF)0] ; Heggen, Marc [P:(DE-Juel1)130695] ; Lu, Jianmin [P:(DE-HGF)0] ; Wang, Yehong [P:(DE-HGF)0] ; Wang, Feng [P:(DE-HGF)0]