[1] Univ Paris Sud, Hop Univ Bicetre, Le Kremlin Bicetre, France
[2] Massachusetts Gen Hosp, Pulm & Crit Care, Boston, MA 02114 USA
[3] Univ Texas Southwestern Med Ctr Dallas, Pulm Hypertens Program, Dallas, TX 75390 USA
[4] Actel Pharmaceut Ltd, Clin Res, Allschwil, Switzerland
[5] Univ Bologna, Ist Malattie Apparato Cardiovasc, Bologna, Italy
[6] UGMLC, Giessen, Germany
[7] Hannover Med Sch, Dept Resp Med, Hannover, Germany
[8] German Ctr Lung Res, Hannover, Germany
[9] Med Univ Vienna, AKH, Dept Internal Med 2, Div Cardiol, Vienna, Austria
[10] Univ Michigan Hlth Syst, Div Cardiovasc Med, Ann Arbor, MI USA
[11] Univ Calif San Diego, Div Pulm & Crit Care Med, San Diego, CA 92103 USA
[12] Cedars Sinai Med Ctr, Dept Med, Los Angeles, CA 90048 USA
[13] Mater Misericordiae Univ Hosp, Natl Pulm Hypertens Unit, Dublin, Ireland