1. School of Public Health, Tongji Medical CollegeHuazhong University of Science and Technology Wuhan Hubei China
2. Research Institute of Rehabilitation InformationChina Rehabilitation Science Institute Beijing China
3. China Rehabilitation Research Center Beijing China
4. Department of OrthopedicsShiyan Traditional Chinese Medicine Hospital Shiyan Hubei China
5. School of Medicine and Health Management, Tongji Medical CollegeHuazhong University of Science and Technology Wuhan Hubei China
6. Ethiopian Public Health Institute Addis Ababa Ethiopia