[1] Fudan Univ, Minist Educ China, Sch Publ Hlth, Shanghai, Peoples R China
[2] Fudan Univ, Minist Educ China, Key Lab Publ Hlth Safety, Shanghai, Peoples R China
[3] Shantou Univ, Med Coll, Prevent Med & MPH Educ Ctr, Dept Environm Toxicol, Shantou, Peoples R China
[4] Univ Med & Pharm, Dept Prevent Med, Targu Mures, Romania