1 | Department of Hygiene and Dietetics, Jagiellonian University, Medical College, Krakow, Poland |
2 | Department for Health Problems of Ageing, Institute of Rural Health in Lublin, Poland |
3 | Pope John Paul II State School of Higher Education in Biała Podlaska, Institute of Public Health, Poland |
4 | Departament of Orthopaedics and Rehabilitation, Medical University of Lublin, Poland |
5 | Higher School of Public Health, Zielona Góra, Poland |