[1] Duke Univ, Nicholas Sch Environm, Durham, NC 27708 USA
[2] Duke Univ, Duke Global Hlth Inst, Durham, NC 27708 USA
[3] Duke Kunshan Univ, Global Hlth Res Ctr, Kunshan, Peoples R China
[4] Guangzhou Med Univ, Guangzhou Inst Resp Hlth, Guangzhou, Guangdong, Peoples R China
[5] Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing, Peoples R China
[6] Chinese Res Inst Environm Sci, Environm Stand Inst, Beijing, Peoples R China
[7] Nanjing Med Univ, Sch Publ Hlth, Ctr Global Hlth, Nanjing, Jiangsu, Peoples R China