Author:
Wang Yongfu,Yang LI,Yasong LI,Wei Hua,Wu Henglian,Ru Jinli,Chen Xiaoqi,Wu Bin,He Fang,Zhenbin LI,Fan Wenqiang,Wang Feng,Kang Lirong,Xiao Hui,Jia Yuhua,Xiao Fei,Zhang Miaojia,
Publisher
BMJ Publishing Group Ltd and European League Against Rheumatism