Authors' Affiliations: 1Institut National de la Santé et de la Recherche Médicale (INSERM), U1037; 2Hematology Laboratory, University Hospital Purpan, Toulouse; 3Intergroupe Francophone du Myélome (IFM); 4STROMALab; 5Hematology Department, University Hospital Purpan; 6CSA21, Toulouse; 7Hematology Laboratory and 8Hematology Department, University Hospital Hôtel-Dieu, Nantes; 9INSERM U847, Institute of Research in Biotherapy, Montpellier; and 10Hematology Department, University Hospital Huriez, Lille, France (2012-03-14時点)