1. Department of Nursing Science, University of Turku, Turku, Finland
2. Xiangya Nursing School, Xiangya Research Center of Evidence-based Healthcare, Central South University, Hunan, China
3. Now with Faculty of Health and Education, Department of Nursing, Manchester Metropolitan University, Manchester, UK
4. Department of Biostatistics, University of Turku, Turku, Finland
5. Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts
6. Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
7. West China School of Public Health, Sichuan University, Chengdu, China
8. Faculty of Design, Health, and Art, Swinburne University of Technology, Hawthorn, Victoria, Australia