1. School of Nursing, Qingdao University, Qingdao, Shandong, China
2. Faculty of Nursing, University of Alberta, Edmonton, Alberta, Canada
3. School of Nursing, Dalhousie University, Halifax, Nova Scotia, Canada
4. Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
5. Department of Neurobiology, Care Sciences, and Society, Division of Nursing, Karolinska Institutet, Huddinge, Sweden
6. Theme Inflammation and Aging, Karolinska University Hospital, Stockholm, Sweden
7. School of Health and Exercise Sciences, University of British Columbia, Kelowna, British Columbia, Canada
8. School of Nursing, Thompson Rivers University, Kamloops, British Columbia, Canada
9. Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
10. Department of Medicine, University of Calgary, Calgary, Alberta, Canada
11. Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
12. Faculty of Health Sciences, School of Nursing, University of Ottawa, Ottawa, Ontario, Canada
13. Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada