About the Authors

Stefano Allesina

sallesina@uchicago.edu

Affiliation Department of Ecology and Evolution, Computation Institute, University of Chicago, Chicago, Illinois, United States of America

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

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