1. Department of Endocrine Disorders and Bone Metabolism, Medical University of Lodz
2. Department of Microbiology and Laboratory Medical Immunology, Medical University of Lodz
3. Department of Biomedicine and Genetics, Medical University of Lodz
4. Department of Physiology and Biochemistry, Gdansk University of Physical Education and Sport
5. Department of Pediatrics, Diabetology and Endocrinology, Gdansk Medical University