1. AIPC Lab., Université Paris 7, IUH, Hôpital Saint Louis, 1 avenue Claude Vellefaux, 75475 Paris cedex 10, France;
2. Dept. of Internal Medicine I, University Hospital, Ulm, Germany, and IMAGENIUM, 33 rue St Roch, 75001 Paris, France;
3. Pharmacologie Lab., IUH, Hôpital Saint Louis, 1 avenue Claude Vellefaux, 75475 Paris cedex 10, France;
4. U353 INSERM, IUH, Hôpital Saint Louis, 1 avenue Claude Vellefaux, 75475 Paris cedex 10, France;
5. GSBMS, Université Paul Sabatier, Toulouse, France; and
6. U430 INSERM, Hôpital Broussais, Paris, France