1. GlaxoSmithKline, Stevenage SG1 2NY, Hertfordshire, U.K.
2. Lhasa Limited, Leeds LS1 5PS, West Yorkshire, U.K.
3. F. Hoffmann-La Roche Limited, Basel CH-4070, Switzerland
4. Pfizer Global Regulatory Sciences, Sandwich CT13 9NJ, U.K.
5. AstraZeneca, Macclesfield, Cheshire SK10 2NA, U.K.
6. Amgen Incorporated, Cambridge, Massachusetts 02142, United States