1. Department of Orthopedics and Traumatology, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
2. ‘Ilie Murgulescu’ Institute of Physical Chemistry, 060021 Bucharest, Romania
3. Department of Medical Microbiology, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
4. Department of General Surgery, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
5. Department of Anaesthesia and Intensive Care, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania