About the Authors

Laura Dazzi

Contributed equally to this work with: Laura Dazzi, Giuseppe Talani

dazzi@unica.it

Affiliation Department of Life and Environmental Sciences, Section of Neuroscience and Anthropology, Centre of Excellence for the Neurobiology of Dependence, University of Cagliari, Monserrato, Cagliari, Italy

Giuseppe Talani

Contributed equally to this work with: Laura Dazzi, Giuseppe Talani

Affiliation Institute of Neuroscience, National Research Council, Monserrato, Cagliari, Italy

Francesca Biggio

Affiliation Department of Life and Environmental Sciences, Section of Neuroscience and Anthropology, Centre of Excellence for the Neurobiology of Dependence, University of Cagliari, Monserrato, Cagliari, Italy

Cinzia Utzeri

Affiliation Department of Life and Environmental Sciences, Section of Neuroscience and Anthropology, Centre of Excellence for the Neurobiology of Dependence, University of Cagliari, Monserrato, Cagliari, Italy

Valeria Lallai

Affiliation Department of Life and Environmental Sciences, Section of Neuroscience and Anthropology, Centre of Excellence for the Neurobiology of Dependence, University of Cagliari, Monserrato, Cagliari, Italy

Valentina Licheri

Affiliation Department of Life and Environmental Sciences, Section of Neuroscience and Anthropology, Centre of Excellence for the Neurobiology of Dependence, University of Cagliari, Monserrato, Cagliari, Italy

Stefano Lutzu

Affiliation Department of Life and Environmental Sciences, Section of Neuroscience and Anthropology, Centre of Excellence for the Neurobiology of Dependence, University of Cagliari, Monserrato, Cagliari, Italy

Maria Cristina Mostallino

Affiliation Institute of Neuroscience, National Research Council, Monserrato, Cagliari, Italy

Pietro Paolo Secci

Affiliation Department of Life and Environmental Sciences, Section of Neuroscience and Anthropology, Centre of Excellence for the Neurobiology of Dependence, University of Cagliari, Monserrato, Cagliari, Italy

Giovanni Biggio

Affiliations Department of Life and Environmental Sciences, Section of Neuroscience and Anthropology, Centre of Excellence for the Neurobiology of Dependence, University of Cagliari, Monserrato, Cagliari, Italy, Institute of Neuroscience, National Research Council, Monserrato, Cagliari, Italy

Enrico Sanna

Affiliations Department of Life and Environmental Sciences, Section of Neuroscience and Anthropology, Centre of Excellence for the Neurobiology of Dependence, University of Cagliari, Monserrato, Cagliari, Italy, Institute of Neuroscience, National Research Council, Monserrato, Cagliari, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LD GT. Performed the experiments: FB CU V. Lallai V. Licheri SL MCM PPS. Analyzed the data: LD GT FB MCM. Wrote the paper: LD GT GB ES.