From the Centre for Cardiovascular Science (N.L.M., S.D.R., N.A.B., D.E.N.), Edinburgh University, Edinburgh, Scotland; the Department of Respiratory Medicine and Allergy (H.T., M.G., A.B., T.S.), Umeå University, Umeå, Sweden; and the Wellcome Trust Clinical Research Facility (K. Darnley) and ELEGI Colt Laboratory (W.M., K. Donaldson), Centre for Inflammation Research, Edinburgh University, Edinburgh, Scotland. (At 2005-12-20)