[1] Univ Calif Los Angeles, Med Ctr, Los Angeles Biomed Res Inst Harbor, Los Angeles, CA 90024 USA
[2] Harvard Univ, Dept Internal Med, Boston, MA 02115 USA
[3] Harvard Univ, Dept Internal Med, Boston, MA 02115 USA
[4] Temple Univ, Philadelphia, PA 19122 USA
[5] NHLBI, Rockville, MD USA
[6] Technol Strategy Board, Leicester, Leics, England
[7] Univ London, Dept Internal Med, London, England
[8] United BioSource Corp, Washington, DC USA
[9] Univ Cambridge, Dept Internal Med, Cambridge, England
[10] COPD Fdn, Washington, DC USA
[11] Royal Brompton & Harefield NHS, Dept Internal Med, London, England
[12] Univ Nebraska Med Ctr, Dept Internal Med, Omaha, NE USA
[13] Univ Pittsburgh, Dept Internal Med, Pittsburgh, PA USA
[14] GlaxoSmithKline, Res Triangle Pk, NC USA
[15] NHS Fdn, Univ Hosp Birmingham, Dept Internal Med, Birmingham, W Midlands, England
[16] Columbia Univ, Dept Internal Med, New York, NY USA
[17] Univ Manchester, Dept Internal Med, Manchester, Lancs, England