1. Department for Geriatrics and Rehabilitation, Sahlgrenska University Hospital, Mö lndal and Institute of Nursing, Faculty of Health and Caring Sciences, The Sahlgrenska Academy at Göteborg University, Gothenburg
2. Institute of Nursing, Faculty of Health and Caring Sciences, The Sahlgrenska Academy at Göteborg University, Gothenburg and Department of Nursing, Karolinska Institutet, Stockholm