[1] Toulouse Univ Hosp, Lab Biochim 3, Toulouse, France
[2] Toulouse Univ Hosp, INSERM, U326, IFR 30,Inst Claude Preval, Toulouse, France
[3] Toulouse Univ Hosp, Serv Malad Infect, Toulouse, France
[4] Toulouse Univ Hosp, INSERM, U558, Toulouse, France