1. Pfizer Inc.
2. GlaxoSmithKline plc.
3. Boehringer Ingelheim GmbH.
4. AstraZeneca PLC.
5. F. Hoffmann-La Roche Ltd.
6. Teva Pharmaceutical Industries Ltd.
7. Novartis AG.
8. Merck & Co. Inc.
9. Vertex Pharmaceuticals Incorporated.
10. Johnson & Johnson Consumer Inc.