1. Department of Nursing Science, Faculty of Health Sciences, University of Eastern Finland, Box 1627, 70211, Kuopio, Finland
2. Gerontological Nursing Division, Faculty of Nursing, Burapha University, 169 Long-Hard Bangsaen Road, Tambon Saensook, Amphur Muang, Chonburi, 20131, Thailand
3. Institute of Public Health and Clinical Nutrition, Department of Medicine, Faculty of Health Sciences, University of Eastern Finland, Box 1627, 70211, Kuopio, Finland
4. Faculty of Social Sciences (Joensuu Campus), University of Eastern Finland, Box 111, 80101, Joensuu, Finland
5. Kuopio University Hospital, Box 100, 70029 KYS