1. Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden.
2. Department of Neurosurgery, Craig Hospital, Englewood, Colorado.
3. Department of Clinical Science, Intervention and Technology, Karolinska University Hospital, Huddinge, Karolinska Institutet, Stockholm, Sweden.
4. The Ludwig Institute for Cancer Research, Stockholm, Sweden.
5. MRC Centre for Developmental Neurobiology, King's College London, London, United Kingdom.
6. Division of Neurodegeneration, Department of Neurobiology, Care Sciences and Society, Novum, Karolinska Institutet, Stockholm, Sweden.
7. Stockholms Sjukhem Foundation, Stockholm, Sweden.