1. Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
2. Endocannabinoid Research Group, Institute of Biomolecular Chemistry, National Research Council of Italy, Via Campi Flegrei 34, 80078 Pozzuoli, Napoli, Italy
3. Institute of Genetics and Biophysics, National Research Council of Italy, Via Pietro Castellino 111, 80131 Napoli, Italy
4. Department of Food and Drug, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy
5. Institute of Neuroscience, National Research Council of Italy, S.S. 554, km 4,500, 09042 Monserrato, Cagliari, Italy
6. Department of Neurochemistry, Institute of Pharmacology, Polish Academy of Sciences, ul. Smetna 12, 31-343 Cracow, Poland