1. Cyberinfrastructure for Network Science Center, School of Library and Information Science (SLIS), Indiana University, Bloomington, IN 47401, USA.
2. Department of Industrial Engineering and Management Sciences, Northwestern University, Evanston, IL 60208, USA.
3. Northwestern University Clinical and Translational Sciences (NUCATS) Institute, Northwestern University, Chicago, IL 60611, USA.
4. Department of Philosophy, University of Central Florida, Orlando, FL 32826, USA.
5. Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD 20850, USA.
6. Department of Communication, North Carolina State University, Raleigh, NC 27695, USA.
7. Department of Preventive Medicine, Northwestern University, Chicago, IL 60611, USA.
8. Department of Planning, Policy and Design and Department of Psychology and Social Behavior, University of California Irvine, Irvine, CA 92697, USA.
9. Department of Policy Analysis and Management, Cornell University, Ithaca, NY 14853, USA.
10. Kellogg School of Management and Northwestern Institute on Complex Systems (NICO), Northwestern University, Evanston, IL 60208, USA.