Brown, S. [P:(DE-HGF)0] ; Roberts, J. [P:(DE-HGF)0] ; Osthoff, H. [P:(DE-HGF)0] ; Kercher, J. [P:(DE-HGF)0] ; Fuchs, H. [P:(DE-Juel1)7363] ; Dube, W. [P:(DE-HGF)0] ; Thornton, J. [P:(DE-HGF)0]