1. Department of Algology, West China Hospital of Sichuan University, Chengdu, Sichuan, China
2. Department of Orthopedics, General Hospital of Armed Police Force, Beijing, China
3. Department of Algology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
4. Department of Algology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
5. Pain Research Center of Sun Yat-Sen University, Guangzhou, Guang Dong, China
6. Department of Algology, Xijing Hospital, Fourth Military Medical University, Xi’an, Shanxi, China
7. Department of Algology, The Affiliated T.C.M Hospital of Southwest Medical University, Luzhou, Sichuan, China
8. Department of Algology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu, China
9. Department of Algology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
10. Department of Algology, The First Affiliated Hospital of Xinjiang Medical University, Wulumuqi, Xinjiang, China
11. Department of Algology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoling, China
12. Department of Neurosurgery, Shenzhen University General Hospital, Shenzhen, Guangdong, China
13. Department of Algology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
14. Department of Algology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
15. Department of Algology, The First Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou, China
16. Department of Algology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
17. Department of Algology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
18. Department of Algology, Beijing Tiantan Hospital, Beijing, China