1. Biosciences Institute, Newcastle University, Newcastle Upon Tyne, UK
2. Present address: Translational Sensory and Circadian Neuroscience Group, Max Planck Institute for Biological Cybernetics, Tübingen, Germany
3. maydel.fernandez.alonso@tuebingen.mpg.de
4. Department of Physics, Durham University, Durham, UK
5. abigailfinch@btinternet.com
6. Department of Computer Sciences, Durham University, Durham, UK
7. Present address: School of Computing, University of Leeds, Leeds, UK
8. g.d.love@leeds.ac.uk
9. jenny.read@newcastle.ac.uk