1. School of Nursing Johns Hopkins University Baltimore Maryland USA
2. School of Nursing Chengdu Medical College Chengdu China
3. School of Nursing Shenyang Medical College Shenyang China
4. College of Nursing Texas Woman's University Dallas Texas USA
5. School of Nursing Peking University Beijing China
6. School of Nursing Peking Union Medical College Beijing China
7. Innovation Center of Nursing Research, West China Hospital Sichuan University Chengdu China
8. Xiangya School of Nursing Central South University Changsha China
9. Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, and Science and Technology Department, West China Hospital Sichuan University Chengdu China
10. University of Wollongong Wollongong Australia
11. Bloomberg School of Public Health Johns Hopkins University Baltimore Maryland USA