Marrapu, P. [P:(DE-HGF)0] ; Cheng, Y. [P:(DE-HGF)0] ; Beig, G. [P:(DE-HGF)0] ; Sahu, S. [P:(DE-HGF)0] ; Srinivas, R. [P:(DE-HGF)0] ; Carmichael, G. R. [P:(DE-HGF)0]