1. Department of Medical Oncology and Radiotherapy, University of Medicine and Pharmacy Craiova, 200349 Craiova, Romania
2. Department of Surgery, Railways Clinical Hospital Iasi, 700506 Iasi, Romania
3. Department of Pathology, University of Medicine and Pharmacy Craiova, 200349 Craiova, Romania
4. Department of Pathology, Clinical Emergency County Hospital, 200642 Craiova, Romania
5. Oral Pathology Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania
6. Clinical Laboratory Department, “Sf. Spiridon” Emergency University Hospital, 700111 Iaşi, Romania
7. Department of Medical Oncology, Emergency County Hospital Vâlcea, 200300 Râmnicu Vâlcea, Romania
8. Department of Medical Oncology and Radiotherapy, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania
9. Department of Radiation Oncology, Regional Institute of Oncology, 700483 Iași, Romania