1. Medical Biochemistry Department, University of Medicine and Pharmacy “Iuliu Hatieganu”, Cluj-Napoca, Romania;
2. Obstetric and Gynecologic Clinic 1, University of Medicine and Pharmacy “Iuliu Hatieganu”, Cluj-Napoca, Romania;
3. Endocrinologic Clinic, Cluj-Napoca, Romania;
4. Department of Neonatology, University of Medicine and Pharmacy “Iuliu Hatieganu”, Cluj-Napoca, Romania