1. Department of Translational Medical Sciences, University "Federico II", Naples, Italy
2. Venous Thromboembolism Unit, Internal Medicine, Hospital General Universitario Gregorio Marañón, Madrid, Spain
3. IRCSS SDN Istitute, Via Gianturco 114, 80143 Naples, Italy
4. Institute of Cardiovascular Sciences, Birmingham University, City Hospital, Birmingham, United Kingdom