1. VII Department of Infectious Disease and Immunology, Hospital D. Cotugno,
2. CLSE-Liver Transplant Unit, Hospital A. Cardarelli,
3. Liver Intensive Care Unit, AORN A. Cardarelli,
4. Microbiology Laboratory, AORN, A. Cardarelli, Naples, Italy
5. CEB-Liver Transplant Unit, Hospital A. Cardarelli,