1. Department of Neurology 2, Kepler University Hospital, Med Campus III., Linz, Austria
2. Department of Biomedical Engineering, Kepler University Hospital, Med Campus III., Linz, Austria
3. Institute of Signal Processing, Johannes Kepler University Linz, Linz, Austria
4. Private Practice, Vienna, Austria
5. Department of Anesthesiology and Critical Care Medicine, Kepler University Hospital, Med Campus III., Linz, Austria