1. GlaxoSmithKline, Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2NY, U.K.
2. Department
of Pure and Applied Chemistry, University of Strathclyde, Thomas
Graham Building, 295 Cathedral Street, Glasgow, G1 1XL, U.K.
3. GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426-0989, United States