1. Latvian Institute of Organic Synthesis, Riga, Latvia.
2. Latvia University of Life Sciences and Technologies, Jelgava, Latvia.
3. Riga Stradins University, Riga, Latvia.
4. University of Latvia, Riga, Latvia.
5. Department of Neurosurgery, University Hospital Würzburg, Würzburg, Germany.
6. University of Munich, Institute for Stroke and Dementia Research, Munich, Germany.