1. Joint Sino-U.S. Food Safety Research Center and Bor Luh Food Safety Center, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China.
2. Joint U.S.-Sino Food Safety Research Center and Microbial Biophysics and Residue Chemistry Research Unit, Eastern Regional Research Center, Agricultural Research Service, U.S. Department of Agriculture, Wyndmoor, Pennsylvania.