Address correspondence to Michael A. Gimbrone, Jr., Longwood Medical Research Center, 221 Longwood Avenue, Rm. 401, Boston MA 02115–5817.
Current address: Department of Cell Biology, Bruce Rappaport Research Institute, Technion Medical School, P.O. Box 9697, Efron Street, Bat-Galin, Haifa 39061, Israel.
Current address: Centre for Thrombosis and Vascular Research, School of Pathology, Wallace Wurth Building, University of New South Wales, High Street, Kensington NSW 2033, Sydney, Australia.