1. Neurological outpatient department; Neurocenter Peine; Peine Germany
2. Medical Faculty; Ruhr-University Bochum; Bochum Germany
3. Banking & Finance group; Michael Smurfit Graduate Business School & UCD Lochlann Quinn School of Business; University College Dublin; Belfield Dublin Ireland
4. Department of Neurology; University Hospital Bern and University of Bern; Bern Switzerland