Published on in Vol 7, No 9 (2019): September
1 School of Nursing, Wuxi Taihu University, Wuxi, China
2 Department of Nursing, Nanhai Hospital, Southern Medical University, Foshan, China
3 General Practice Center, Nanhai Hospital, Southern Medical University, Foshan, China
4 Ottawa Hospital Research Institute, Ottawa, ON, Canada
5 McLaughlin Centre for Population Health Risk Assessment, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
6 Shandong Key Laboratory of Behavioral Medicine, School of Mental Health, Jining Medical University, Jining, China
7 Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada
8 Department of Obstetrics & Gynecology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
*these authors contributed equally