1. From the Texas Heart Institute at St Luke's Episcopal Hospital, Houston (Drs Vela, Buja, Naghavi, Willerson, Casscells, and Litovsky); The University of Texas Health Science Center at Houston (Drs Vela, Buja, Madjid, Willerson, Casscells, and Litovsky); and the Armed Forces Institute of Pathology, Washington, DC (Dr Burke). Dr Naghavi is now with the Association for Eradication of Heart Attack, H