1. Organix Inc.; Woburn; MA; USA
2. Cell Biology and Neurobiology Institute (IBCN)/IRCCS Fondazione Santa Lucia; Roma; Italy
3. The Skaggs Institute for Chemical Biology and Department of Chemical Physiology; The Scripps Research Institute; La Jolla; CA; USA
4. Endocannabinoid Research Group; Institute of Biomolecular Chemistry; C.N.R.; Pozzuoli; Italy
5. Department of Pharmacology and Toxicology; Virginia Commonwealth University; Richmond; VA; USA