1. The Departments of Hematology and Laboratory Medicine, Keio University School of Medicine, Tokyo, Japan
2. The Department of Chemical Engineering, Waseda University, Tokyo, Japan
3. The Basic Research Institute, Toray Industries Inc., Kanagawa, Japan
4. The Department of Pediatrics, Nara Medical School, Nara, Japan
5. The Roon Research Center for Arteriosclerosis and Thrombosis, Department of Molecular and Experimental Medicine and Committee on Vascular Biology, The Scripps Research Institute, La Jolla, California, USA