1.Astellas Pharma Inc.
2.Novartis International AG
3.GlaxoSmithKline plc
4.Pfizer Inc.
5.Merck Co. & Inc.
6.F.Hoffmann-La Roche Ltd.
7.Toyama Chemical Co. Ltd.
8.Sanofi Aventis SA
9.MiddleBrook Pharmaceuticals Inc.
10.Gilead Sciences Inc.