[1] LA SER, F-75014 Paris, France
[2] Conservatoire Natl Arts & Metiers, Paris, France
[3] Inst Pasteur, INSERM, F-75724 Paris, France
[4] Univ Paris Est Creteil, Henri Mondor Univ Hosp, AP HP, Dept Internal Med,Natl Referral Ctr Adults Immune, Creteil, France
[5] LA SER Europe, London, England
[6] Univ Bordeaux, Hosp Haut Leveque, Bordeaux, France
[7] Univ Hosp Purpan, Toulouse, France
[8] Univ Hosp Jean Minjoz, Besancon, France
[9] Univ Hosp Concept, Marseille, France
[10] Univ Hosp St Eloi, Montpellier, France
[11] Univ Hosp Jean Verdier, Bondy, France
[12] Univ Hosp Le Bocage, Dijon, France
[13] Univ Hosp La Pitie Salpetriere, Paris, France
[14] Univ Hosp Morvan, Brest, France
[15] Univ Hosp Hop Sud, Rennes, France
[16] Hosp Max Fourestier, Nanterre, France
[17] Univ Hosp Bichat, Paris, France
[18] Univ Hosp Necker, Paris, France
[19] London Sch Hyg & Trop Med, London WC1, England