[1] NHLBI, Sickle Thrombosis & Vasc Biol Lab, NIH, Bethesda, MD USA
[2] NHLBI, Sickle Cell Branch, NIH, Bethesda, MD USA
[3] NHLBI, Flow Cytometry Core Facil, NIH, Bethesda, MD USA
[4] Case Western Reserve Univ, Cleveland, OH 44106 USA
[5] Louis Stokes Cleveland VA Med Ctr, Cleveland, OH USA
[6] NHLBI, NIH, Bethesda, MD USA