1. Department of Experimental Medicine, Division of Pharmacology, Second University of Naples, 80138 Naples, Italy
2. Wolfson Centre for Age Related Diseases, King’s College London, Guy’s Campus, London SE1 1UL, UK
3. Saint Louis University School of Medicine, Saint Louis, MO 63104, USA
4. Laboratory of Pain Pathophysiology, Department of Pain Pharmacology, Institute of Pharmacology, Polish Academy of Sciences, UL Smetna 12, Krakow, Poland