Erratum to: Rheotaxis performance increases with group size in a coupled phase model with sensory noiseA. Chicoli, J. Bak-Coleman, S. Coombs and D.A. PaleyEur. Phys. J. Special Topics, 225 1 (2016) 1DOI: https://doi.org/10.1140/epjst/e2016-02635-6