1. Experimental Research Laboratories; Transplantation Area, Foundation IRCCS Policlinico San Matteo; Pavia Italy
2. Microbiology and Virology Service; Foundation IRCCS Policlinico San Matteo; Pavia Italy
3. Obstetrics and Gynecology Clinics; University of Pavia; Pavia Italy
4. Institute for Research in Biomedicine; Bellinzona Switzerland