META-ANALYSIS Kangle Guo, orcid.org/0000-0003-2753-3272 Health Technology Assessment Center/Evidence-Based Social Science Research Center, School of Public Health, Lanzhou University, Lanzhou, China Evidence Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China Key Laboratory of Evidence Based Medicine and Knowledge Translation of Gansu Province, Lanzhou, 730000 China Kangle Guo and Jinwen Li are co-first authors Search for more papers by this author...