1 Respiratory Department, Hospital Ramón y Cajal, Madrid, Spain.
2 Division of Vascular Surgery and Endovascular Therapy, Department of Surgery, Yale New Haven Hospital, New Haven, CT.
3 Biostatistics Department, Hospital Ramón y Cajal, Madrid, Spain.
4 Department of Internal Medicine, Hospital Universitario Miguel Servet, Zaragoza, Spain.
5 Department of Cardiology, Massachusetts General Hospital, Boston, MA.
6 Regional Reference Centre for Coagulation Disorders, Department of Clinical Medicine and Surgery, Federico II University Hospital, Naples, Italy.
7 Department of Internal Medicine, Hospital Universitario HM Montepríncipe, HM Hospitales, Boadilla del Monte, Madrid, Spain.
8 Cardiovascular Medicine Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA; YNHH/ Yale Center for Outcomes Research and Evaluation, Boston, MA; Cardiovascular Research Foundation, Boston, MA.
9 Respiratory Department, Hospital Ramón y Cajal, Madrid, Spain; Medicine Department, Universidad de Alcala, Madrid, Spain; CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain. Electronic address: djimenez.hrc@gmail.com.
10 CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain; Department of Internal Medicine, Hospital Germans Trias i Pujol, Badalona, Madrid, Spain; Study of Thromboembolic Disease, Faculty of Health Sciences, Universidad Católica San Antonio de Murcia, Murcia, Spain; Universidad Autónoma de Barcelona, Madrid, Barcelona.