1. Ludwig Institute for Cancer Research, University of California at San Diego, La Jolla, CA, USA.
2. Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
3. Department of Mathematics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
4. Division of Biological Sciences, University of California, San Diego, San Diego, CA, USA.
5. Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain.
6. Instituto de Investigación Sanitaria Valdecilla (IDIVAL), Santander, Spain.
7. Department of Cellular and Molecular Medicine, University of California at San Diego, La Jolla, CA, USA.
8. Departments of Molecular Medicine and Neurobiology, The Scripps Research Institute, La Jolla, CA, USA.
9. VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium.
10. Department of Neurosciences, KU Leuven, Leuven, Belgium.
11. Department of Mathematical and Statistical Sciences, University of Alberta, Edmonton, Alberta, Canada.
12. Department of Anatomy and Cell Biology, University of Cantabria, Santander, Spain.
13. Marine Biological Laboratory, Woods Hole, MA, USA.