About the Authors

Eivind Almaas

Affiliations Microbial Systems Division, Biosciences Directorate, Lawrence Livermore National Laboratory, Livermore, California, United States of America , Center for Complex Network Research and Department of Physics, University of Notre Dame, Notre Dame, Indiana, United States of America , Microbial Systems Division, Biosciences Directorate, Lawrence Livermore National Laboratory, Livermore, California, United States of America

Zoltán N Oltvai

To whom correspondence should be addressed. E-mail: oltvai@pitt.edu

Affiliations Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America , Microbial Systems Division, Biosciences Directorate, Lawrence Livermore National Laboratory, Livermore, California, United States of America

Albert-László Barabási

Affiliations Center for Complex Network Research and Department of Physics, University of Notre Dame, Notre Dame, Indiana, United States of America , Center for Cancer Systems Biology, Dana-Farber Cancer Institute, Harvard University, Boston, Massachusetts, United States of America , Microbial Systems Division, Biosciences Directorate, Lawrence Livermore National Laboratory, Livermore, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

EA, ZNO, and ALB conceived the study. EA and ALB designed the study. EA performed all the computational work. EA, ZNO and ALB wrote the paper.