1. Cellular Neurophysiology Hannover Medical School Hannover Germany
2. Department of Molecular Physiology, Center for Integrative Physiology and Molecular Medicine (CIPMM) University of Saarland Homburg Germany
3. Institute of Cellular Neurosciences, Medical Faculty University of Bonn Bonn Germany
4. German Center for Neurodegenerative Diseases (DZNE) Bonn Germany
5. Institute of Neurology University College London London UK