1 VII Unit Infectious Disease and Immunology, The Ospedale Domenico Cotugno, Naples, Italy E-mail: alessandroperrella@fastwebnet.it ; Hospital Acquired Infection Committee, Medical Affairs, Antonio Cardarelli Hospital, Naples, Italy.
2 Hospital Acquired Infection Committee, Medical Affairs, Antonio Cardarelli Hospital, Naples, Italy.
3 Liver Transplant Center, Antonio Cardarelli Hospital, Naples, Italy.
4 Hospital Acquired Infection Committee, Medical Affairs, Antonio Cardarelli Hospital, Naples, Italy ; Liver Intensive Care Unit, Antonio Cardarelli Hospital, Naples, Italy.
5 Pharmacy Department, Antonio Cardarelli Hospital, Naples, Italy.