About the Authors

Alexei Vazquez

vazquez@ias.edu

Affiliation The Simons Center for Systems Biology, Institute for Advanced Study, Princeton, New Jersey, United States of America

Marcio A. de Menezes

Affiliation Instituto de Física, Universidade Federal Fluminense, Rio de Janeiro, Brazil

Albert-László Barabási

Affiliation Center for Complex Network Research, and Department of Physics, Biology, and Computer Science, Northeastern University, Boston, Massachusetts, United States of America

Zoltan N. Oltvai

Affiliation Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: AV. Contributed reagents/materials/analysis tools: AV MAdM ALB ZNO. Wrote the paper: AV ZNO.