About the Authors

Luis García Domínguez

Affiliation Temerty Centre for Therapeutic Brain Intervention, Centre for Addiction and Mental Health, University of Toronto, Toronto, Ontario, Canada

José Luis Pérez Velázquez

Affiliation Neuroscience and Mental Health Programme, Brain and Behaviour Centre, Division of Neurology, Hospital for Sick Children; Institute of Medical Science and Department of Paediatrics, University of Toronto, Toronto, Ontario, Canada

Roberto Fernández Galán


Affiliation Department of Neurosciences, School of Medicine, Case Western Reserve University, Cleveland, Ohio, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conception and implementation of the biomarker as described in this paper: RFG. Conceived and designed the experiments: RFG JLPV LGD. Performed the experiments: JLPV. Analyzed the data: RFG LGD. Contributed reagents/materials/analysis tools: RFG LGD JLPV. Wrote the paper: RFG JLPV LGD.