?:authorAffiliation
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[\'Department of Neurology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Poland.\', \'Department of Neurology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Poland. Electronic address: hubert.mado@med.sum.edu.pl.\', \'Department of Infectious Diseases and Hepatology, Medical University of Silesia, Katowice, Poland.\', \'Department of Otorhinolaryngology and Oncological Laryngology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Poland.\']
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