1. Department of Clinical and Molecular Biochemistry, Pomeranian Medical University, Szczecin, Poland.
2. Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Szczecin, Poland.
3. Department of Pediatrics, Pomeranian Medical University, Szczecin, Poland.
4. Department of Cardiology, Pomeranian Medical University, Szczecin, Poland.
5. Department of Neonatal Diseases, Pomeranian Medical University, Szczecin, Poland.