1. Chair of Epidemiology and Preventive Medicine, Department of Hygiene and Dietetics; Jagiellonian University Medical College; Krakow Poland
2. Rheumatology Department; Provincial Hospital, Radzyn Podlaski; Lublin Poland
3. Physiology Department; Medical University of Lublin; Lublin Poland
4. Systematic Reviews Unit; Jagiellonian University Medical College; Krakow Poland
5. Department of Pathophysiology; Jagiellonian University Medical College; Krakow Poland
6. 2nd Department of Internal Medicine; Jagiellonian University Medical College; Krakow Poland