1. Rufeng Wang:
School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, PR China
2. Xiuwen Wu:
School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, PR China
3. Lijia Liu:
School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, PR China
4. Yannan An:
School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, PR China