1. CNRS MFP-UMR 5234, Bordeaux, France.
2. National Institute of Cancer, Rio de Janeiro, Brazil.
3. Department of Biology and Pathology, University Hospital of Bordeaux, Bordeaux, France.
4. Department of Internal Medicine, University Hospital of Bordeaux, Bordeaux, France.
5. Department of Infectious and Tropical Diseases, University Hospital of Bordeaux, Bordeaux, France.