1. Emergency County Hospital, Clinic of Anesthesia and Intensive Care , Bd. Iosif Bulbuca Nr. 10 , 300736 Timişoara, Romania
2. “Victor Babeş” University of Medicine and Pharmacy, Faculty of Medicine , Piata E. Murgu 2 , 300041 Timişoara, Romania
3. West University of Timişoara, Faculty of Chemistry, Biology, Geography , Str. Pestalozzi 16A , 300115 Timişoara, Romania
4. Emergency County Hospital, Clinic of Anesthesia and Intensive Care , Department Anesthesia and Intensive Care “Casa Austria” , Bd. Iosif Bulbuca Nr. 10 , 300736 Timişoara, Romania