1. Cavendish Laboratory, Department of Physics, University of Cambridge, Cambridge CB3 0HE, UK.
2. Systems Biophysics, Department of Physics, Ludwig-Maximilians University, D-80799 Munich, Germany.
3. Institute of Zoology, University of Bonn, D-53115 Bonn, Germany.
4. University of Bayreuth, Department of Animal Physiology, D-95440 Bayreuth, Germany.
5. Department of Biology, University of Bielefeld, D-33501 Bielefeld, Germany.
6. Paul-Flechsig-Institute for Brain Research, University of Leipzig, D-04109 Leipzig, Germany.
7. Institute of Zoology, Neurobiology, University Mainz, D-55099 Mainz, Germany.
8. Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge CB2 3EG, UK.
9. Institute for Automation Engineering, Systems Theory and Automatic Control Lab, Otto von Guericke University Magdeburg, D-39106 Magdeburg, Germany.
10. Pavlov Institute of Physiology, 199034 St. Petersburg, Russia.
11. Institute of Anatomy, Histology and Embryology, Faculty of Veterinary Medicine, University of Leipzig, D-04109 Leipzig, Germany.
12. Technische Universität Dresden, Biotechnology Center, D-01062 Dresden, Germany.
13. Institute of Pathology and Neuropathology, University of Tübingen, D-72076 Tübingen, Germany.
14. Institute of Ophthalmology, University College London, London EC1V 9EL, UK.
15. Institute of Anatomy, University of Tübingen, D-72074 Tübingen, Germany.
16. Translational Centre for Regenerative Medicine, University of Leipzig, D-04103 Leipzig, Germany.