1 Thrombosis and Haemostasis Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy; Department of Obstetrics and Gynaecology, University of Foggia, Foggia 71121, Italy; Department of Obstetrics, Gynaecology and Perinatal Medicine, The First IM Sechenov Moscow State Medical University (Sechenov University), Moscow, Russia. Electronic address: elvira.grandone@unifg.it.
2 Department of Obstetrics, Gynaecology and Perinatal Medicine, The First IM Sechenov Moscow State Medical University (Sechenov University), Moscow, Russia; Department of Hematology, Rambam Health Care Campus, Haifa, Israel; The Ruth and Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel.
3 Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.