1. Department of Oncology, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
2. Pediatric Clinic No. 2, Department of Pediatric CNardiology, Emergency County Hospital for Children, 400177 Cluj-Napoca, Romania
3. Department of Mother and Child, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400013 Cluj-Napoca, Romania
4. Department of Gastroenterology, County Hospital Oradea, 410169 Oradea, Romania
5. Department of Medical Oncology, The Oncology Institute “Prof. Dr. Ion Chiricuta”, 400015 Cluj-Napoca, Romania