[1] Inst Continuing Med Educ Ioannina, Ioannina, Greece
[2] Ctr Clin, Clin Infect Dis & Febrile Condit, Skopje, North Macedonia
[3] Univ Messina, Dipartimento Patol Umana, Scuola Specializzaz Malattie Infett, Messina, Italy
[4] Carlos Haya Univ Hosp, Infect Dis Serv, Malaga, Spain
[5] Natl Inst Biol Stand & Controls, Div Bacteriol, Potters Bar, Herts, England
[6] Alfa Inst Biomed Sci, Athens, Greece
[7] Tufts Univ, Sch Med, Dept Med, Boston, MA 02111 USA
[8] King Fahad Natl Guard Hosp, Dept Infect Prevent & Control, Riyadh, Saudi Arabia
[9] Babol Univ Med Sci, Yahyanejad Hosp, Dept Infect Dis, Babol Sar, Iran
[10] Univ Manitoba, Infect Dis Sect, Winnipeg, MB, Canada
[11] Natl & Kapodistrian Univ Athens, Laikon Gen Hosp, Dept Pathophysiol, Athens, Greece
[12] Natl & Kapodistrian Univ Athens, Sch Med, Dept Pathophysiol, Athens, Greece
[13] Hosp Gen Univ, Med Interna Serv, Albacete, Spain
[14] Vet Affairs Med Ctr, Med Serv, Houston, TX 77030 USA
[15] Univ Barcelona, Bellvitge Hosp, Serv Enfermedades Infecciosas, Barcelona, Spain
[16] Int Soc Chemotherapy, Working Grp Zoonoses, London, England