HEMOSTASIS, THROMBOSIS, AND VASCULAR BIOLOGY| SEPTEMBER 1, 2005 Tissue-factor–bearing microvesicles arise from lipid rafts and fuse with activated platelets to initiate coagulation ashpublications.org/blood/article/106/5/1604/... Sep 01, 2005 · The authors thank Dr Toon Stegmann (Toulouse, France) for help in designing the membrane fusion assay, Dr C. Wayne Smith (Baylor College of Medicine, Houston, TX) and Dr Gabriel Lopez-Berestein (MD Anderson Cancer Center, Houston, TX) for helpful discussions, and Dr Raul Tonda (current address, Hospital Clinic, Barcelona, Spain) for assistance ...