Yury V Gavrilov1, Anna A Vorobyeva2, Valery M Kazakov3, Philipp O Valko4. 1. Department of General Pathology and Pathological Physiology, Institute of Experimental Medicine, St. Petersburg, Russia. 2. Research Center of Neurology, 6th Department of Neurology, FGBU, Moscow, Russia. 3. Department of Neurology, Pavlov State Medical University, St. Petersburg, Russia. 4. Department of Neurology, University Hospital Zurich, University of Zurich, Zurich, Switzerland. philipp.valko@usz.ch.