1. Unidad de Gestión Clínica de Salud Mental; Instituto IBIMA-Hospital Regional Universitario de Málaga; Spain
2. Institute of Psychopharmacology; Central Institute of Mental Health; Medical Faculty of Mannheim; University of Heidelberg; Germany
3. Committee on the Neurobiology of Addictive Disorders; The Scripps Research Institute; La Jolla CA USA
4. School of Pharmacy; Pharmacology Unit; University of Camerino; Italy
5. Department of Pharmacology; University of Texas Health Science Center at San Antonio; San Antonio TX USA
6. Departamento de Psicobiología; Facultad de Psicología; Universidad Complutense de Madrid; Spain
7. Department of Chemical Physiology; The Scripps Research Institute; La Jolla CA USA
8. Departments of Anatomy and Neurobiology, Pharmacology, and Biological Chemistry; University of California; Irvine CA USA
9. Department of Drug Discovery and Development; Istituto Italiano di Tecnologia; Italy