[1] Hop Charles Foix, Serv Geriatrie, Ivry, France
[2] Univ Paris 06, Ivry, France
[3] Hop Kremlin Bicetre, Serv Malad Parasitaires & Trop, Paris, France
[4] Inst Pasteur, F-59019 Lille, France
[5] Inst Pasteur, CNRS, URA 3012, Ctr Natl Reference Coqueluche & Autres Bordetello, Paris, France
[6] Ctr Geriatrie Antonin Balmes, Montpellier, France
[7] Hop Paul Brousse, Serv Geriatrie, Villejuif, France
[8] Ctr Hosp, Compiegne, France