1. Department of Preventive Medicine, Faculty of Health Sciences, University of Medical Sciences, 60-608 Poznań, Poland
2. Department of Immunobiology, Poznań University of Medical Sciences, 60-608 Poznań, Poland
3. Laboratory for Geriatrics, Department of Palliative Medicine, University of Medical Sciences, 60-608 Poznań, Poland
4. Department of Human Nutrition and Dietetics, Poznan University of Life Sciences, 60-624 Poznań, Poland
5. Occupational Therapy Unit, Faculty of Health Sciences, University of Medical Sciences, 60-608 Poznań, Poland