1. Hôpital Lariboisiere, Assistance Publique-Hopitaux de Paris; Université Paris Diderot; INSERM U942, 2 Rue Ambroise Paré 75475 Paris Cedex 10 France
2. Clinical Trials and Evaluation Unit; Royal Brompton Hospital; Sydney Street London SW3 6NP UK
3. National Heart and Lung Institute; Imperial College; London UK
4. University Medical Center Groningen; University of Groningen; Groningen The Netherlands
5. Klinik für Innere Medizin III; Universität des Saarlandes; Homburg/Saar Germany
6. Faculty of Medicine; University of Sydney; Sydney Australia
7. GVM Hospitals of Care and Research; Cotignola Italy