1. Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, P.R. China,
2. Maize Research Institute, Sichuan Agricultural University, Wenjiang, China,
3. Guizhou Rapeseed Institute, Guizhou Province of Academy of Agricultural Sciences, Guiyang, China, and
4. Institute of Medicinal Plant Development, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, P.R. China