Departments of *Translational Medical Sciences and Center for Basic and Clinical Immunology Research and Neuroscience, Reproductive and Odontostomatological Sciences, University of Naples Federico II, Naples, Italy; Endocannabinoid Research Group, Institute of Biomolecular Chemistry, Consiglio Nazionale delle Ricerche, Pozzuoli, Naples, Italy; Endocannabinoid Research Group, Institute of Protein Biochemistry, Consiglio Nazionale delle Ricerche, Naples, Italy; Thoracic Surgery Unit, Second University of Naples, Naples, Italy; Division of Allergy and Clinical Immunology, University of Salerno, Salerno, Italy; and Consiglio Nazionale delle Ricerche Institute of Experimental Endocrinology and Oncology "G. Salvatore," Naples, Italy. Departments of *Translational Medical Sciences and Center for Basic and Clinical Immunology Research and Neuroscience, Reproductive and Odontostomatological Sciences, University of Naples Federico II, Naples, Italy; Endocannabinoid Research Group, Institute of Biomolecular Chemistry, Consiglio Nazionale delle Ricerche, Pozzuoli, Naples, Italy; Endocannabinoid Research Group, Institute of Protein Biochemistry, Consiglio Nazionale delle Ricerche, Naples, Italy; Thoracic Surgery Unit, Second University of Naples, Naples, Italy; Division of Allergy and Clinical Immunology, University of Salerno, Salerno, Italy; and Consiglio Nazionale delle Ricerche Institute of Experimental Endocrinology and Oncology "G. Salvatore," Naples, Italy marone@unina.it vdimarzo@icb.cnr.it.