1. Center for Evidence-Based Chinese Medicine, School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
2. Department of Gastroenterology, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China.
3. Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.
4. Department of Neurosurgery, China-Japan Friendship Hospital, Beijing, China.
5. Department of General Surgery, China-Japan Friendship Hospital, Beijing, China.
6. Department of Neurology, Xiyuan Hospital Affiliated to China Academy of Chinese Medical Sciences, Beijing, China.