1. Laboratory of Tissue Engineering, Istituto Dermopatico dell'Immacolata, 00040 Pomezia (Rome), Italy
2. Gene Therapy Program, Istituto Scientifico H. San Raffaele, Milan, Italy
3. Laboratory of Molecular and Cellular Biology, Istituto Dermopatico dell'Immacolata, 00040 Pomezia (Rome), Italy