1. GlaxoSmithKline, Stevenage, Herts, U.K.
2. Schering-Plough, Union, New Jersey, U.S.A.
3. GlaxoSmithKline, Leigh Nr. Tonbridge, Kent, U.K.
4. Pfizer Global Research and Development, Ramsgate Road, Sandwich, U.K.
5. GlaxoSmithKline, Research Triangle Park, North Carolina, U.S.A.
6. Merck and Co., Inc., Rahway, New Jersey, U.S.A.
7. DSM Pharmaceutical Products, Innovative Synthesis & Catalysis, Geleen, The Netherlands.
8. Eli Lilly, Indianapolis, Indiana, U.S.A.
9. Eli Lilly, Dunderrow, Kinsale, County Cork, Ireland.
10. Johnson&Johnson Pharmaceutical Research & Development, Turnhoutseweg 30, B-2340 Beerse, Belgium.
11. Global Process R&D, AstraZeneca, Leicestershire, U.K.
12. Eli Lilly, Indianapolis, Indiana, U.S.A