About the Authors

Ulrich Kirk

ulrich.kirk@uclmail.net

Current address: Human Neuroimaging Laboratory, Baylor College of Medicine, Houston, Texas, United States of America

Affiliation Wellcome Laboratory of Neurobiology, Anatomy Department, and Wellcome Department of Imaging Neuroscience, University College London, London, United Kingdom

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: UK. Performed the experiments: UK. Analyzed the data: UK. Wrote the paper: UK.