1. Division of Rheumatology, University of Pisa and Pisa University Hospital, Via Paradisa, 2, Pisa 56124, Italy
2. Division of Cardiology, University of Pisa and Pisa University Hospital, Via Paradisa, 2, Pisa 56124, Italy
3. Division of Hematology, University of Pisa and Pisa University Hospital, Via Paradisa, 2, Pisa 56124, Italy
4. Cardiovascular Division, Brigham and Women’s Hospital-Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA