1. Department of Internal Medicine, Complejo Hospitalario Universitario de Pontevedra, Pontevedra, Spain
2. Department of Internal Medicine, Hospital General Virgen de la Luz, Cuenca, Castilla-La Mancha, Spain
3. Department of Internal Medicine and Emergency, Parc Sanitari Sant Joan de Déu-Hospital General, Barcelona, Spain
4. Department of Clinical and Experimental Medicine, A.O.U Policlinico ‘G. Martino’, Messina, Italy
5. Department of Vascular Medicine, Hospital Universitario Fundacion Santa Fe de Bogotá, Bogotá, Colombia
6. Department of Hematology, Hospital Universitario de Móstoles, Móstoles, Madrid, Spain
7. Department of Internal Medicine, Hospital Álvaro Cunqueiro, Vigo, Pontevedra, Spain
8. Centre Hospitalier Universitaire de Nantes, Service de Médecine Interne, Nantes, Pays de la Loire, France
9. Chair for the Study of Thromboembolic Disease, Faculty of Health Sciences, UCAM – Universidad Católica San Antonio de Murcia, Barcelona, Spain
10. CIBER Enfermedades Respiratorias (CIBERES), Madrid, Spain