About the Authors

Carlos P. Amaral

Affiliation IBILI—Institute for Biomedical Imaging in Life Sciences, Faculty of Medicine, University of Coimbra, Coimbra, Portugal

Marco A. Simões

Affiliation IBILI—Institute for Biomedical Imaging in Life Sciences, Faculty of Medicine, University of Coimbra, Coimbra, Portugal

Miguel S. Castelo-Branco

mcbranco@fmed.uc.pt

Affiliations IBILI—Institute for Biomedical Imaging in Life Sciences, Faculty of Medicine, University of Coimbra, Coimbra, Portugal, ICNAS, Brain Imaging Network of Portugal, Coimbra, Portugal

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MCB CA MS. Performed the experiments: CA MS. Analyzed the data: CA MS MCB. Contributed reagents/materials/analysis tools: CA MS. Wrote the paper: CA MS MCB.