Bioinformatics Sciences, GlaxoSmithKline Pharmaceuticals R&D, 709 Swedeland Road, UW2230, King of Prussia, PA 19406-0939, USA. dilip_rajagopalan@gsk.com|Bioinformatics Sciences, GlaxoSmithKline Pharmaceuticals R&D, 709 Swedeland Road, UW2230, King of Prussia, PA 19406-0939, USA. dilip_rajagopalan@gsk.com