[1] Massachsetts Gen Hosp, Boston, MA USA
[2] Univ Hosp Gasthuisberg, Leuven, Belgium
[3] Univ Bologna, Bologna, Italy
[4] Univers Hosp Giessen & Marburg, German Ctr Lung Res, Giessen, Germany
[5] Imperial Coll London, Giessen, Germany
[6] Charles Univ Prague, Prague, Czech Republic
[7] Actel Pharmaceut Ltd, Allschwil, Switzerland
[8] Western Univ, London Hlth Sci Ctr, Victoria Hosp, London, ON, Canada
[9] Natl Inst Cardiol, Mexico City, DF, Mexico
[10] CARE Hosp, Hyderabad, Andhra Pradesh, India
[11] Univ Paris Sud, Hop Bicetre, Le Kremlin Bicetre, France
[12] Univ Sao Paulo, Inst Heart, Sao Paulo, Brazil
[13] ECZ Otwock, Ctr Postgrad Med Educ, Otwock, Poland
[14] Univ Calif San Diego, La Jolla, CA 92093 USA