1. “Scienze chimiche, biologiche, farmaceutiche ed ambientali” Department; University of Messina; Messina Italy
2. Chromaleont s.r.l, c/o; University of Messina; Messina Italy
3. University Campus Bio-Medico of Rome; Rome Italy
4. Division of Cellular Transplantation of surgery, Diabetes Research Institute; University of Miami; Miami FL USA