About the Authors

Stefan Wuchty

Current address: National Center for Biotechnology Information (NCBI), National Institutes of Health (NIH), Bethesda, Maryland, United States of America

Affiliation Northwestern Institute on Complex Systems and Network Science (NICO), Northwestern University, Evanston, Illinois, United States of America

Brian Uzzi

uzzi@northwestern.edu

Affiliations Northwestern Institute on Complex Systems and Network Science (NICO), Northwestern University, Evanston, Illinois, United States of America, Kellogg School of Management and McCormick School of Engineering, Northwestern University, Evanston, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SW BU. Analyzed the data: SW BU. Wrote the paper: SW BU.