1. GlaxoSmithKline R&D, Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K.
2. GlaxoSmithKline R&D, UpperMerion, 709 Swedeland Road, King of Prussia, Pennsylvania 19406, United States
3. GlaxoSmithKline R&D, David Jack Centre, Park Road, Ware, Hertfordshire SG12 ODP, U.K.