Affiliation: | 1. School of Public Health and Women''s Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou China ; 2. Jiangxi Province Key Laboratory of Preventive Medicine, School of Public Health, Nanchang University, Nanchang China ; 3. Vanke School of Public Health, Tsinghua University School of Medicine, Tsinghua University, Beijing China ; 4. School of Nursing, Sun Yat‐sen University, Guangzhou China |