1. Department of Nursing, General Practice Center, Nanhai Hospital, Southern Medical University, Foshan, Guangdong, China.
2. School of Nursing, Wuxi Taihu University, Wuxi, Jiangsu, China.
3. Department of Epidemiology, Xishan Center for Disease Control and Prevention, Wuxi, Jiangsu, China.
4. Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.
5. School of Nursing, University of Ottawa, Ottawa, Ontario, Canada.
6. Department of Obstetrics and Gynecology, University of Ottawa Faculty of Medicine, Ottawa, Ontario, Canada.
7. McLaughlin Centre for Population Health Risk Assessment, Faculty of Medicine, University of Ottawa, Ottawa, Canada.
8. School of Epidemiology and Public Health, University of Ottawa Faculty of Medicine, Ottawa, Ontario, Canada.