COTRĂU, Petru, University of Oradea, Faculty of Medicine and Pharmacy, Piaţa 1 Decembrie, no. 10, 410073 Oradea, Bihor and Emergency Clinical County Hospital of Oradea, Calea Republicii, no. 37, 410167 Oradea, Bihor and Emergency Clinical County Hospital of Oradea, Calea Republicii, no. 37, 410167 Oradea, Bihor, Romania