1. From the Hôpital Saint-Antoine; Hôpital Tenon; Sanofi-Aventis, Paris; Clinique Saint Jean, Lyon; Hôpital Devron, Dijon; Clinique Sainte Catherine, Avignon; Hôpital de Senlis, Senlis; Clinique Radiologique Armoricaine, Saint Brieuc, France; Hospital Clínico Universitario, Valencia; Hospital Universitario Marques de Valdecilla, Santander, Spain; Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; and International Drug Development Institute, Brussels, Belgium.