1. Research, Development and Innovation Department, Gerontological Complex La Milagrosa, Provincial Association of Pensioners and Retired People (UDP) from A Coruña, Avenida de Cadiz-5, 15008 A Coruña, Spain
2. Center for Research in Ageing and Dementia, Faculty of Health Sciences, VIA University College, 8200 Aarhus, Denmark
3. Department of Clinical Psychology, Poznan University of Medical Sciences, 70 Bukowska Street, 60-812 Poznan, Poland
4. Department Rheumatology and Rehabilitation, Poznan University of Medical Sciences, 135/147 28 Czerwca 1956r. Street, 61-545 Poznan, Poland
5. Ortopedyczno-Rehabilitacyjny Szpital Kliniczny nr 4 im. W. Degi., Poznań, Poland
6. Gerontology Research Group, Department of Medicine, Faculty of Health Sciences, Universidade da Coruña, Campus de Oza, 15071 A Coruña, Spain