1. Centre for Human Drug Research; Zernikedreef 8 2333 CL Leiden The Netherlands
2. Anesthesiology Department; Vrije Universiteit Medisch Centrum (VU University Medical Center); De Boelelaan 1117 1081 HV Amsterdam The Netherlands
3. Neurology Department; Leiden University Medical Center; Albinusdreef 2 2333 ZA Leiden The Netherlands
4. Internal Medicine Department; Leiden University Medical Center; Albinusdreef 2 2333 ZA Leiden The Netherlands
5. Neurology Department; VU University Medical Center; De Boelelaan 1117 1081 HV Amsterdam The Netherlands