1. Department of Nephrology and Organ Transplantation, Toulouse University Hospital, Toulouse, France.
2. Virology Laboratory, Toulouse University Hospital, Toulouse, France.
3. INSERM UMR1291, CNRS UMR5051, Université Toulouse III, Toulouse Institute for Infectious and Inflammatory Diseases (Infinity), Toulouse, France.
4. UMR 1291, CNRS UMR5051, Université Toulouse III Paul Sabatier, Toulouse, France.
5. Department of Obstetrics, Paule de Viguier Hospital, Toulouse, France.
6. Department of Pathology, Oncopole, Toulouse, France.