1. Department of Biomedical and Environmental Analysis, Faculty of Pharmacy, Wroclaw Medical University, Wrocław, Poland;
2. Department and Clinic of Internal Medicine and Allergology, Faculty of Medicine, Wroclaw Medical University, Wrocław, Poland;
3. Early Pregnancy Pathology Clinic, Centre of Gynecology, Obstetrics and Neonatology, Opole, Poland