About the Authors
Department of Physiology, University College London, London, United Kingdom
WIN Research Group of Olfactory Dynamics, Max-Planck-Institut für medizinische Forschung, Heidelberg, Germany
The authors have declared that no competing interests exist.
ATS, KA, and TWM conceived and designed the experiments and simulations. ATS, KA, HS, and TWM performed the experiments and simulations. ATS, KA, and TWM analyzed the data. ATS and TWM wrote the paper.