School of Public Health, Central South University, Changsha, Hunan 410008, China;
Department of Preventive Medicine, Changzhi Medical College,Changzhi, Shanxi 046000, China;
McLaughlin Centre for Population Health Risk Assessment, Institute of Population Health, University of Ottawa, Ottawa, Canada;
OMNI Research Group, Department of Obstetrics and Gynecology,University of Ottawa Faculty of Medicine, Ottawa, Canada;
OMNI Research Group, Department of Obstetrics and Gynecology, University of Ottawa Faculty of Medicine, Ottawa, Canada;
Huaihua Medical College, Huaihua, Hunan 418000, China;
McLaughlin Centre for Population Health Risk Assessment, Institute of Population Health, University of Ottawa, Ottawa, Canada;
Department of Cardiology, Heping Hospital, Changzhi Medical College, Changzhi, Shanxi 046000, China;
OMNI Research Group, Department of Obstetrics and Gynecology, University of Ottawa Faculty of Medicine, Ottawa, Canada;
Ottawa Hospital Research Institute, Clinical Epidemiology Program,Ottawa, Canada;
Department of Preventive Medicine, Changzhi Medical College,Changzhi, Shanxi 046000, China;
School of Public Health, Central South University, Changsha, Hunan 410008, China;
OMNI Research Group, Department of Obstetrics and Gynecology, University of Ottawa Faculty of Medicine, Ottawa, Canada;
Ottawa Hospital Research Institute, Clinical Epidemiology Program,Ottawa, Canada;
Department of Epidemiology and Community Medicine, University of Ottawa Faculty of Medicine, Ottawa, Ontario, Canada;