1. Department of RheumatologySun Yat‐Sen Memorial Hospital, Sun Yat‐Sen University Guangzhou Guangdong China
2. Shanghai Healthcare Co. Ltd. Zhangjiang Innopark, Building 7 Shanghai China
3. Research Center of Clinical EpidemiologyPeking University Third Hospital Beijing China
4. Department of RadiologySun Yat‐Sen Memorial Hospital, Sun Yat‐Sen University Guangzhou Guangdong China
5. Centre of Clinical Research and Education, School of Public Health, Faculty of Health SciencesCurtin University Perth Australia