[Jiang, Rongrong; Zhou, Guoping] Wuhan Polytech Univ, Dept Bioengn & Pharmaceut Engn, Wuhan, Peoples R China.
[Bester, Kai; Hendriksen, Niels Bohse] Aarhus Univ, Dept Environm Sci, DK-4000 Roskilde, Denmark.
[Liao, Bin] Ctr Dis Control & Prevent Kunming, Kunming, Peoples R China.
[Yang, Zushun] Ctr Dis Control & Prevent Yunnan, Kunming, Peoples R China.
[Hendriksen, Niels Bohse] Aarhus Univ, Dept Environm Sci, Frederiksborgvej 399, DK-4000 Roskilde, Denmark.