1. Department of Endocrinology, Metabolism and Internal Medicine; Poznań University of Medical Sciences; Poznań Poland
2. Department of Cell Biology; Poznań University of Medical Sciences; Poznań Poland
3. Department of Cardiology-Intensive Therapy; Poznań University of Medical Sciences; Poznań Poland
4. Division of Gastroenterological and Endocrine Surgery; Department of General Surgery and Multiple Trauma; Provincial Hospital; Poznań Poland