1. Chemical Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, Macclesfield SK10 2NA, United Kingdom
2. Pfizer R&D UK Limited, Discovery Park, Ramsgate Road, Sandwich CT13 9NJ, United Kingdom
3. Chemical Development, GlaxoSmithKline, Gunnels Wood Road, Stevenage SG1 2NY, United Kingdom