1. TIMI Study Group, Cardiovascular Division; Brigham and Women's Hospital and Harvard Medical School; 350 Longwood Avenue Boston MA 02115 USA
2. University of Brescia; Brescia Italy
3. Fondazione Cardiocentro Ticino; Lugano Switzerland
4. Kerckhoff-Klinik; Bad Nauheim Germany
5. Daiichi Sankyo; Parsippany NJ USA
6. Daiichi Sankyo; Edison NJ USA