1. Faculty of Nursing; University of Alberta; Edmonton Alberta Canada
2. Department of Neurobiology; Care Science and Society; Division of Nursing; Karolinska Institutet; Huddinge Sweden
3. Department of Geriatric Medicine; Danderyd Hospital; Danderyd Sweden
4. School of Nursing; University of Michigan; Ann Arbor MI USA
5. Center for Clinical Management Research; VA Ann Arbor Healthcare System; Ann Arbor MI USA