Table S1. Quality assessment of included studies.

Study	Q1	Q2	Q3	Q4	Q5	Q6	Q7	Q8	Q9	Q10	Q11	Q12	Q13	Q14	Quality rating
Bak 2015	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Bohacek 2012	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Bongiovanni 2012	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	No	NR	Yes	Yes	Fair
Cristo 2016	Yes	Yes	NR	Yes	No	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Faquin 2016	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	No	NR	Yes	Yes	Fair
Guney 2017	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Guo 2017	Yes	Yes	NR	Yes	No	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Fair
Jo 2010	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Krauss 2016	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Nayar 2009	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Olson 2013	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Paajanen 2017	Yes	Yes	NR	Yes	No	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Fair
Renshaw 2010	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	No	NR	Yes	Yes	Fair
Sullivan 2014	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Tepeoglu 2014	Yes	Yes	NR	Yes	No	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Fair
Theoharis 2009	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Ugurluoglu 2015	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Wu 2007	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Wu 2012	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Yang 2007	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Yassa 2007	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Zhou 2018	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Alabdulqader 2015	Yes	Yes	NR	Yes	No	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Fair
Al-Abbadi 2013	Yes	Yes	NR	Yes	No	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Fair
Al Dawish 2017	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Arul 2015	Yes	Yes	NR	Yes	No	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Fair
Bhartiya 2016	Yes	Yes	NR	Yes	No	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Fair
Bychkov 2018	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	No	NR	Yes	Yes	Good
Kannan 2017	Yes	Yes	NR	Yes	No	Yes	Yes	Yes	Yes	No	No	NR	Yes	Yes	Poor
Kim 2011	Yes	Yes	NR	Yes	No	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Fair
Kim 2017	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Kim 2018	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Lee 2017	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	No	NR	Yes	Yes	Fair
Limlunjakorn 2017	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Liu 2017	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	No	NR	Yes	Yes	Fair
Mahajan 2017	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	No	NR	Yes	Yes	Fair
Mehra 2015	Yes	Yes	NR	Yes	No	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Fair
Mondal 2013	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good
Mufti 2012	Yes	Yes	NR	Yes	No	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Fair
Naz 2014	Yes	Yes	NR	Yes	No	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Fair
Satoh 2017	Yes	Yes	NR	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	NR	Yes	Yes	Good