[1] W German Heart Ctr, Dept Cardiol, Essen, Germany
[2] Univ Saarland Hosp, Inst Med Microbiol & Hyg, Homburg, Germany
[3] Univ Munster, Inst Med Microbiol, Univ Clin, Munster, Germany
[4] Univ Cologne, Inst Med Microbiol Immunol & Hyg, Cologne, Germany
[5] Mayo Clin, Coll Med, Div Infect Dis, Rochester, MN USA
[6] Beth Israel Deaconess Med Ctr, Div Infect Dis, Boston, MA 02215 USA
[7] Harvard Univ, Sch Med, Boston, MA USA
[8] Duke Univ, Med Ctr, Durham, NC USA
[9] Univ Athens, Dept Internal Med, Sch Med, Athens, Greece
[10] Aberdeen Royal Infirm, Int Soc Chemotherapy Med Microbiol, Aberdeen, Scotland
[11] Univ Med Ctr Besancon, Dept Infect Dis, Besancon, France
[12] Keio Univ Hosp, Div Clin Microbiol, Dept Clin Labs, Tokyo, Japan
[13] Smolensk State Med Acad, Inst Antimicrobial Chemotherapy, Smolensk, Russia
[14] Univ Hosp Geneva, Div Infect Dis, Dept Internal Med, Geneva, Switzerland
[15] Univ Lausanne, Dept Fundamental Microbiol, Lausanne, Switzerland
[16] Univ Barcelona, Hosp Clin, Infect Dis Serv, Inst Invest Biomed August Pi Sunyer, Barcelona, Spain
[17] Univ Manitoba, Fac Med, Dept Internal Med, Winnipeg, MB R3E 0W3, Canada