1. From INSERM U362, Institut Gustave Roussy, Villejuif Cedex, France; INSERM U461, Faculté de Pharmacie-Paris Sud, Chatenay-Malabry, France; Transfusion Medicine, University of Ulm, Ulm, Germany; and INSERM U429, Hôpital Necker Enfants Malades, Paris Cedex 15, France.