1. Department of Rheumatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
2. Suzhou Joekai Biotech LLC, Kunshan, China
3. Department of Cariology, Endodontology and Periodontology, University of Leipzig, Leipzig, Germany
4. Beijing Tibetan Hospital, China Tibetology Research Centre, Beijing, China