1. Department of Neurology; Christian Doppler Klinik; Paracelsus Medical University; Salzburg Austria
2. Department of Neurology; Medical University Innsbruck; Innsbruck Austria
3. Institute for Clinical Epidemiology; TILAK; Innsbruck Austria
4. Department of Public Health and Health Technology Assessment; UMIT - University for Health Sciences, Medical Informatics and Technology; Hall in Tirol Austria