1. Institute of Medical Psychology, Otto-von-Guericke-University Magdeburg, Leipziger Str., 44, 39120 Magdeburg, Germany
2. Mechnikov Medical Academy, Department of Neurology, Neurosurgery and Medical Genetics, Piskarevsky pr., 47, Saint-Petersburg, Russia
3. Nencki Institute of Experimental Biology, Laboratory of Neuropsychology, 3 Pasteur St., Warsaw, Poland