[1] Texas Tech Univ, Inst Environm & Human Hlth TIEHH, Dept Environm Toxicol, Lubbock, TX 79416 USA
[2] Johns Hopkins Univ, Dept Dermatol, Sch Med, Canc Res Bldg 2,Suite 216,1550 Orleans St, Baltimore, MD 21231 USA
[3] Univ Macau, State Key Lab Qual Res Chinese Med, Inst Chinese Med Sci, Macau, Peoples R China
[4] Chengdu Univ Tradit Chinese Med, Sch Pharm, Chengdu, Peoples R China