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K. Stebelova
PhD., Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovicova 6, 842 15 Bratislava, Slovakia
J. Kosnacova
1st Department of Pediatrics, University Children’s Hospital, Bratislava, Slovakia
M. Zeman
Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University, Bratislava, Slovakia