The association between physical activity and the prevalence of comorbidity: a cross-sectional survey

X XiaoLi Fu C ChiWen Wang Y Yaoying Wang L Lijun Gong H Han Liu (Department of Chemistry, State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong SAR 999077, P. R. China) Z ZhanLei Shen D Dongfang Zhu J Jingbao Zhang J Junwen Bai R Ruizhe Ren J Jinxin Cui M Mingyue Zhen J Jiajia Zhang (Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science, Ministry of Education, Frontiers Science Center for High Energy Material, Advanced Technology Research Institute (Jinan), School of Chemistry and Chemical Engineering) X Xinran Li Y Yudong Miao