1 Department of Internal Medicine, Parma University Hospital, Parma, Italy.
2 AFO Medicina PO Santa Maria Delle Grazie, Pozzuoli Naples Hospital 2 Nord, Naples, Italy.
3 Department of Clinical Medicine and Surgery, Federico II University, Naples, Italy.
4 Department of Internal Medicine, Consorcio Hospitalario Provincial, Universidad Cardenal Herrera CEU, CEU Universities, Castellón, Spain.
5 Department of Pneumonology, Hospital General Universitario de Albacete, Albacete, Spain.
6 Department of Internal Medicine, Hospital Reina Sofía, Tudela, Navarra, Spain.
7 Department of Haematology, Hospital Universitario Fundación Jiménez Díaz, Madrid, Spain.
8 Department of Pneumology, Hospital Universitario de Getafe, Getafe, Madrid, Spain.
9 Department of Cardiology, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran.
10 Chair for the Study of Thromboembolic Disease, Faculty of Health Sciences, UCAM - Universidad Católica San Antonio de Murcia, Murcia, Spain. CIBER Enfermedades Respiratorias (CIBERES), Madrid, Spain.