[1] CHU TIMONE, MED INTERNE CLIN, F-13385 MARSEILLE, FRANCE
[2] HOP LOUIS PRADEL, BACTERIOL LAB, LYONS, FRANCE
[3] HOP PURPAN, SERV MALAD INFECT, TOULOUSE, FRANCE
[4] HOP ST JOSEPH, MICROBIOL CLIN LAB, F-75674 PARIS 14, FRANCE
[5] HOP TRONCHE, SERV MALAD INFECT, GRENOBLE, FRANCE
[6] HOP HOTEL DIEU, SERV MALAD INFECT, CLERMONT FERRAND, FRANCE
[7] HOP CONCEPTION, SERV MALAD INFECT, F-13385 MARSEILLE 4, FRANCE
[8] CHU REIMS, SERV MALAD INFECT, F-51100 REIMS, FRANCE
[9] CHU AMIENS, SERV GASTROENTEROL, F-80000 AMIENS, FRANCE