1. Ypso-Facto, 19 Avenue Foch, 54000 Nancy, France
2. AstraZeneca, Chemical Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, Macclesfield SK10 2NA, U.K.
3. Chemical Development, GSK, Gunnels Wood Road, Stevenage SG1 2NY, U.K.
4. Johnson and Johnson, Turnhoutseweg 30, 2340 Beerse, Belgium