1. Department of Experimental and Diagnostic Medicine, Section of General PathologyUniversity of FerraraFerraraItaly
2. Laboratory of Immunology, Istituto Dermopatico dell'ImmacolataIRCCSRomeItaly
3. Departments of PneumologyUniversity of FreiburgFreiburgGermany
4. DermatologyUniversity of FreiburgFreiburgGermany
5. Center of BiotechnologyUniversity of FerraraFerraraItaly