1. Division of Clinical Anatomy, Department of Anatomy, Faculty of Medicine, Medical University of Gdansk, 80-211 Gdańsk, Poland
2. Laboratory of Tissue Engineering and Regenerative Medicine, Division of Embryology, Department of Anatomy, Faculty of Medicine, Medical University of Gdansk, 80-211 Gdańsk, Poland
3. Department of Oncologic Surgery, Medical University of Gdansk, 80-214 Gdańsk, Poland