[1] St Louis Hosp, AP HP, Internal Med & Vasc Dis Unit, Paris, France
[2] Paris 7 Diderot Univ, Paris, France
[3] Univ Hosp Geneva & Fac Med, Div Angiol & Hemostasis, Geneva, Switzerland
[4] Rambam Hlth Care Campus, Dept Hematol & Bone Marrow Transplantat, Haifa, Israel
[5] Acad Med Ctr, Dept Vasc Med, Amsterdam, Netherlands
[6] Thrombosis Res Inst, London, England
[7] Queen Mary Univ London, London, England
[8] Med Univ Vienna, Dept Internal Med, Div Hematol & Hemostaseol, Vienna, Austria
[9] Johns Hopkins Univ, Sch Med, Dept Med, Div Hematol, Baltimore, MD 21205 USA
[10] Inst St Catherine, Avignon, France