1. Medical Surgical Unit of Respiratory Diseases, Virgen del Rocio Hospital and Instituto de Biomedicina, Seville, Spain
2. CIBER de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
3. Cardiovascular Medicine Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
4. Thrombosis Research Group, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
5. Yale New Haven Hospital, Yale Center for Outcomes Research and Evaluation, New Haven, Connecticut
6. Cardiovascular Research Foundation, New York, New York
7. Respiratory Department, Hospital Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria (IRYCIS), Madrid, Spain
8. Medicine Department, Universidad de Alcalá, Madrid, Spain
9. CIBERES, Madrid, Spain
10. Biostatistics Department, Ramón y Cajal Hospital, IRYCIS, CIBERES, Madrid, Spain
11. University of Alcala, Madrid, Spain
12. Department of Internal Medicine, Hospital Universitario Infanta Sofía, Madrid, Spain
13. Department of Internal Medicine, Hospital General Universitario Gregorio Marañón, Madrid, Spain
14. Faculty of Health Sciences, Universidad Católica San Antonio de Murcia, Murcia, Spain