1. Institute of Internal Medicine, Medical University of Lódź, Copernicus Hospital, Pabianicka 62, Lódź Rheumatology Unit, Poland
2. Rheumatology Unit, City Hospital, Prymasa Wyszyńskiego 14, Radomsko, 97–500, Poland
3. Department of Experimental Endocrinology, Medical University of Lódź, Sterlinga 5, Lódź 91–425, Poland
4. Department of Dermatology, Medical University of Lódź, Krzemieniecka 6, Lódź 94–017, Poland