[1] Univ Leeds, EUCLID European Coordinators, Leeds, W Yorkshire, England
[2] Astellas Pharma Europe, Chertsey, England
[3] Univ Gregorio Maranon, Gen Hosp, Microbiol Clin E Infecc, Catedrat Jefe Serv, Madrid, Spain
[4] Univ Paris 06, Natl Reference Lab Clostridium Difficile, Paris, France
[5] Natl Ctr Epidemiol, Dept Bacteriol, Budapest, Hungary
[6] Catholic Univ Louvain, IREC, B-1200 Brussels, Belgium
[7] Hlth Protect Surveillance Ctr, Dublin, Ireland
[8] Beaumont Hosp, Dublin 9, Ireland
[9] Natl Ctr Infect & Parasit Dis, Sofia, Bulgaria
[10] Leiden Univ, Med Ctr, Dept Med Microbiol, Leiden, Netherlands
[11] Cantacuzino Natl Inst Res & Dev Microbiol & Immun, Bucharest, Romania
[12] Natl Inst Hlth & Welf THL, Bacteriol Unit, Helsinki, Finland
[13] Ist Super Sanita, Dept Infect Dis, I-00161 Rome, Italy
[14] Univ Saarland, Med Ctr, Inst Med Microbiol & Hyg, Homburg, Germany
[15] Natl Inst Hlth Dr Ricardo Jorge, Dept Infect Dis, Lisbon, Portugal
[16] Univ Thessalia, Univ Hosp, Sch Med, Larisa, Greece
[17] Med Univ Warsaw, Dept Med Microbiol, Warsaw, Poland
[18] Orebro Univ Hosp, Orebro, Sweden
[19] Comenius Univ, Jessenius Fac Med Martin, Martin, TN, Slovakia
[20] Univ Hosp Motol, Dept Med Microbiol, Prague, Czech Republic
[21] Univ Maribor, Fac Med, SLO-2000 Maribor, Slovenia
[22] Natl Lab Hlth Environm & Food NLZOH, Maribor, Slovenia
[23] Austrian Agcy Hlth & Food Safety, Inst Med Microbiol & Hyg, Vienna, Austria