1. From the Memory Clinic University Department of Geriatric Medicine FELIX PLATTER Basel Switzerland
2. Department of Anesthesiology Intermediate Care, Prehospital Emergency Medicine and Pain Therapy, University Hospital Basel Basel Switzerland
3. Department of Mathematics and Technology University of Applied Sciences Koblenz Germany
4. Faculty of Medicine University of Basel Basel Switzerland
5. Neurozentrum Bern and Department of Neurology, Inselspital Bern University Hospital and University of Bern Bern Switzerland
6. Department of Clinical Research University of Basel Basel Switzerland
7. Department of Anesthesiology University of Florida College of Medicine Gainesville Florida USA
8. Faculty of Psychology University of Basel Basel Switzerland