1. Center for Complex Networks and Systems Research, School of Informatics, Computing, and Engineering, Indiana University, Bloomington, IN 47408, USA.
2. Indiana University Network Science Institute, Indiana University, Bloomington, IN 47408, USA.
3. Department of Biology, University of Washington, Seattle, WA 98195-1800, USA.
4. Cyberinfrastructure for Network Science Center, School of Informatics, Computing, and Engineering, Indiana University, Bloomington, IN 47408, USA.
5. Department of Sociology, University of Chicago, Chicago, IL 60637, USA.
6. Computational Social Science, ETH Zurich, Zurich, Switzerland.
7. Ernest and Julio Gallo Management Program, School of Engineering, University of California, Merced, CA 95343, USA.
8. Center for Network Science, Central European University, Budapest 1052, Hungary.
9. Department of Mathematics, Central European University, Budapest 1051, Hungary.
10. Institute for Network Science, Northeastern University, Boston, MA 02115, USA.
11. Kellogg School of Management, Northwestern University, Evanston, IL 60208, USA.
12. Northwestern Institute on Complex Systems, Northwestern University, Evanston, IL 60208, USA.
13. Laboratory for the Modeling of Biological and Sociotechnical Systems, Northeastern University, Boston, MA 02115, USA.
14. ISI Foundation, Turin 10133, Italy.
15. Centre for Science and Technology Studies, Leiden University, Leiden, Netherlands.
16. Center for Cancer Systems Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA.