[1] Ctr Hosp Porto, Infect Dis Dept, P-4099001 Porto, Portugal
[2] Ctr Hosp Porto, Internal Med Dept, Porto, Portugal
[3] Ctr Hosp Porto, Nephrol & Transplant Unit, Porto, Portugal
[4] Ctr Hosp Porto, Clin Microbiol Dept, Porto, Portugal
[5] Ctr Hosp Porto, Dept Intens Care Unit, Porto, Portugal