1. Beijing Shijitan Hospital, Capital Medical University, Beijing, China
2. School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
3. Department of Chemistry, The Scripps Research Institute, Jupiter, Florida, USA
4. State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing, China
5. Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China