1. Department for the Ecology of Animal Societies, Max Planck Institute of Animal Behavior, Konstanz, Germany
2. Biology Department, University of Konstanz, Konstanz, Germany
3. Centre for the Advanced Study of Collective Behaviour, University of Konstanz, Konstanz, Germany
4. International Max Planck Research School for Organismal Biology, Konstanz, Germany
5. Department of Ecoscience, Aarhus University, Roskilde, Denmark
6. Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA, USA
7. Biology Department, Syracuse University, Syracuse, NY, USA
8. Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ, USA
9. Department of Computer Science, San Diego State University, San Diego, CA, USA
10. Department of Integrative Biology, Michigan State University, East Lansing, MI, USA
11. Program in Ecology, Evolution, and Behavior, Michigan State University, East Lansing, MI, USA