1. Preclinical Disciplines Department, Faculty of Medicine, Campus B, Ovidius University of Constanta, Aleea Universitatii nr. 1, 900470 Constanta, Romania
2. Blood Transfusions Unit, Emergency Clinical County Hospital Constanta, Bdul Tomis nr. 145, 900591 Constanta, Romania
3. Clinical Medical Disciplines Department, Faculty of Medicine, Campus B, Ovidius University of Constanta, Aleea Universitatii nr. 1, 900470 Constanta, Romania
4. Nephrology Department, Emergency Clinical County Hospital Constanta, Bdul Tomis nr. 145, 900591 Constanta, Romania