“…1 shows the selection process of literature. We identified 44 studies from citations screened ( Chen et al., 2018 ; Chuang et al., 2007 ; Cole et al., 2018 ; Croft et al., 2017 ; Dadvand et al., 2014 ; Delfino et al., 2010 ; Deng et al., 2020 ; Dubowsky et al., 2006 ; Emmerechts et al., 2012 ; Forbes et al., 2009 ; Green et al., 2016 ; Habre et al., 2018 ; Hajat et al., 2015 ; Hassanvand et al., 2017 ; Hildebrandt et al., 2009 ; Hoffmann et al., 2009 ; Huttunen et al., 2012 ; Kumarathasan et al., 2018 ; Lanki et al., 2015 ; Lee et al., 2018 ; Liao et al., 2005 ; Mirowsky et al., 2015 ; Pekkanen et al., 2000 ; Pope et al., 2016 ; Puett et al., 2019 ; Rich et al., 2012 ; Ruckerl et al., 2007 ; Rückerl et al., 2014 ; Rudez et al., 2009 ; Schneider et al., 2010 ; Schwartz, 2001 ; Seaton et al., 1999 ; Steinvil et al., 2008 ; Strak et al., 2013 ; Su et al., 2017 ; Sullivan et al., 2007 ; Tsai et al., 2012 ; Viehmann et al., 2015 ; Wang et al., 2018 ; Wu et al., 2012 ; Zeka et al., 2006 ; Zhang et al., 2016 , 2020 ; Zuurbier et al., 2011 ). Supplemental Table S3 provides the characteristics of included studies.…”