1. Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, MN 55455, USA.
2. University of Nice–Sophia Antipolis, CNRS, INSERM, Institute of Biology Valrose, Parc Valrose, 06108 Nice, France.
3. Department of Biology, Cell and Neurobiology, University of Copenhagen, DK-2200 Copenhagen, Denmark.
4. Neurodegeneration Discovery Performance Unit, GlaxoSmithKline Research and Development, Shanghai 201203, China.