1. Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland;
2. Department of Internal Medicine and Endocrinology, Medical University of Warsaw, Warsaw, Poland;
3. Department of General and Endocrine Surgery, Medical University of Warsaw, Warsaw, Poland;
4. Department of Pathology, Medical University of Warsaw, Warsaw, Poland;
5. Department of Gynecological Endocrinology, Poznan University of Medical Sciences, Poznan, Poland