2 Department of Social and Behavioral Sciences, Harvard School of Public Health, Harvard University, Boston, Massachusetts, USA 3 Institute of Psychiatry, University of São Paulo Medical School, São ...

Correspondence to Yimin Zhu, Department of Epidemiology & Biostatistics, School of Public Health, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, China; zhuym{at}zju.edu.cn ...