1. Department of Cardiology and Cardiac Surgery, Medical Faculty, Collegium Medicum, University of Warmia and Masuria, Olsztyn, Poland
2. Department of Internal Medicine and Gerontology, Collegium Medicum, Jagiellonian University, Cracow, Poland
3. Department of Internal Medicine, Medical Faculty, Collegium Medicum, University of Warmia and Masuria, Olsztyn, Poland
4. Department of Intensive Interdisciplinary Care, Collegium Medicum, Jagiellonian University, Cracow, Poland
5. Assisted Living Residence „Na Wzgórzu”, Głogoczów, Poland
6. Geriatric Outpatient Clinic „Med-All”, Cracow, Poland