1. Department of Algology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
2. Department of Algology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
3. Department of Algology, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou, China
4. Pain Research Center, Department of Physiology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
5. Department of Algology Medicine, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
6. Department of Algology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
7. Department of Algology, Xijing Hospital, Fourth Military Medical University, Xian, China
8. Department of Algology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, China
9. Department of Algology, The First Affiliated Hospital of China Medical University, Shenyang, China
10. Department of Algology, The Third Xiangya Hospital, Central South University, Changsha, China
11. Department of Algology, West China Hospital of Sichuan University, Chengdu, China
12. Department of Algology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
13. Department of Spinal Surgery, General Hospital of Armed Police Force, Beijing, China
14. Department of Algology, Beijing Tian Tan Hospital, Capital Medical University, Beijing, China