We are very grateful to our previous sponsors Gilead, Zambon Pharma, NHS Highly Specialist Commissioners, Pfizer Inc, Mayne Pharma, Dynamiker Biotechnology, Schering Plough, The CGD Trust, Alza, OrthoBiotech, Merck & Co Inc., Myconostica, AB Biodisk, The Moulton Trust, Basilea Pharmaceutic, Astellas and Biocompare for their support.