Sworczak, Krzysztof Sworczak, Krzysztof, Departament of Endocrinology, Medical University of Gdansk, Poland, 7 Debinki Str., 80-211 Gdansk. (Poland) Sworczak, Krzysztof Sworczak, Krzysztof, Department of Endocrinology and Internal Medicine Medical University of Gdańsk (Poland) Sworczak, Krzysztof, Department of Endocrinology and Internal Medicine, Medical University of Gdansk, Gdansk, Poland Sworczak, Krzysztof, Department of Endocrinology and Internal Medicine, Medical University of Gdańsk, Poland (Poland) Sworczak, Krzysztof, Endocrinology and Internal Diseases Department, Medical University, Gdansk Sworczak, Krzysztof, Department of Endocrinology and Internal Medicine, Medical University of Gdansk Sworczak, Krzysztof, Department of Endocrinology and Internal Medicine, Medical University of Gdansk (Poland) Sworczak, Krzysztof, Department of Endocrinology and Medicine, Medical University of Gdansk, Gdansk, Poland Sworczak, Krzysztof Sworczak, Krzysztof (Poland) Sygut, Jacek Syguła, Aleksandra Sykała, Monika Sykut-Cegielska, Jolanta, Screening Department, Institute of Mother and Child, Warsaw, Poland Synowiec, Konrad, Member of Student Research Society, Department of Chemistry, Faculty of Medicine and Division of Dentistry, Medical University of Silesia, Zabrze, Poland. Syrenicz, A. Syrenicz, Anhelli Syrenicz, Anhelli Syrenicz, Anhelli, Department of Endocrinology, Metabolic Diseases, and Internal Diseases, Pomeranian Medical University, Szczecin, Poland Syrenicz, Anhelli, Department of Endocrinology, Metabolic Diseases and Internal Diseases, Pomeranian Medical University in Szczecin, Poland. (Poland) Syrenicz, Anhelli Syrenicz, Anhelli Syrenicz, Igor