1. Sbarro Institute for Cancer Research and Molecular MedicineCenter for BiotechnologyTemple UniversityPhiladelphiaPennsylvaniaUSA
2. Department of Experimental MedicineBiotechnology and Molecular Biology SectionSecond University of NaplesNaplesItaly
3. Department of Medical GeneticsPhiladelphiaPennsylvaniaUSA
4. Department of Human PathologyOncology University of SienaSiennaItaly
5. Human Health FoundationSpoletoItaly