Brakel, R. [P:(DE-HGF)0] ; Brezinsek, S. [P:(DE-Juel1)129976] ; Dinklage, A. [P:(DE-HGF)0] ; Fellinger, J. [P:(DE-HGF)0] ; Goriaev, A. [P:(DE-Juel1)171567] ; Grote, H. [P:(DE-HGF)0] ; König, R. [P:(DE-Juel1)159297] ; Laqua, H. [P:(DE-HGF)0] ; Stange, T. [P:(DE-HGF)0] ; Volzke, O. [P:(DE-HGF)0] ; Wauters, T. [P:(DE-Juel1)145890] ; the W7-X Team [P:(DE-HGF)0]