1. School of Rehabilitation Medicine, Weifang Medical University, Weifang 261000, P. R. China
2. Qingdao Hiser Hospital Affiliated of Qingdao University, (Qingdao Traditional Chinese Medicine Hospital), Qingdao 266000, P. R. China
3. Qingdao Municipal Center for Disease Control & Prevention, Qingdao 266000, P. R. China
4. School of Management, Weifang Medical University, Weifang 261000, P. R. China
5. Administrative Office, Weifang People’s Hospital, Weifang 261000, P. R. China
6. Good Clinical Practice Office, First Hospital of Hunan University of Chinese Medicine, Changsha 410000, P. R. China
7. Yantai College of Science and Technology, Yantai 264000, P. R. China
8. School of Medical Sciences, Weifang Medical University. Weifang 261000, P. R. China
9. School of Rehabilitation Medicine, Weifang Medical University, Weifang, Shandong 261000, P. R. China