1 Consultant and Professor of Neurology, Haworth Family Professor in Neurodegenerative Diseases, Mayo Clinic Florida, United States. wszolek.zbigniew@mayo.edu.
2 Scientific Information, Via Medica™, Gdansk, Poland.
3 Chair and Professor of Neurology, Neurology and Stroke Department, St. Adalbert Hospital, Gdansk, Poland.
4 Division of Neurological and Psychiatric Nursing, Faculty of Health Sciences, Medical University of Gdansk, Poland.