1. Department of Psychology University of Salzburg Laboratory for Sleep, Cognition, and Consciousness Research SalzburgAustria
2. University of Salzburg Centre for Cognitive Neuroscience Salzburg Austria
3. Surrey Sleep Research Centre Faculty of Health and Medical Sciences University of Surrey Guildford UK
4. Geriatric Health Centres of the City of Graz Albert Schweitzer Clinic Apallic Care Unit GrazAustria
5. Department of Neurology Paracelsus Medical University Christian Doppler Medical Center SalzburgAustria
6. Gunther Ladurner Nursing Home Salzburg Austria