1. From the University Hospital of Poitiers, Poitiers, Bichat Hospital, La Pitié Hospital, Ambroise Paré Hospital and St. Louis Hospital, Paris, University Hospital of Bordeaux, Bordeaux, University Hospital Marseille, Marseille, University Hospital of Toulouse, Toulouse, University Hospital of Angers, Angers, Hospital of Pontoise, Pontoise and University Hospital of Tours, Tours, France