Evaluating the effectiveness and safety of acupuncture on serum uric acid in asymptomatic hyperuricemia population: a randomized controlled clinical trial study protocol oleh Ling-ling Yu, Chen-nan Li, Meng-yue Fang, Yan Ma, Bo Wang, Feng-ping Lin, Wen-hua Liu, Sheng-hao Tu, Zhe Chen, Wen-xi Xie, Rui-yuan Zhang, Yao Huang, Cui-hong Zheng, Yu Wang