Author, Year	Selection				Comparability	Outcome			Total
	Representativeness of the exposed cohort or case	Selection of the non-exposed cohort or control	Ascertainment of exposure or adequate case definition	Outcome of interest was not present at the start of studyor definit ion of control		Assessment of outcome or exposure	Follow up long enough for outcomes to occur or ascertainment for case and control	Adequacy of follow up or non-response rate
Adam et al. 2018	0	1	1	0	0	1	0	1	4
Agarwal et al. 2018	0	1	1	0	0	1	0	1	4
Alvarado- Castro et al. 2016	0	1	1	0	1	1	0	1	5
Andries et al. 2016	1	1	1	1	2	1	1	0	8
Athira et al. 2018	0	1	1	0	0	1	0	1	4
Aung et al. 2013	0	1	1	0	1	1	0	1	5
Bhaskar et al. 2015	0	1	1	0	2	1	0	1	6
Carrasco et al., 2014	0	1	1	0	2	1	0	1	6
de Cavalcanti et al. 2013	1	1	1	0	0	1	0	1	5
Giraldo et al. 2011	1	1	1	0	2	1	0	1	7
Hoffmeister et al. 2015	0	1	1	0	0	1	0	1	4
Jayaratne et al. 2012	0	1	1	1	0	1	1	1	6
Kumar et al. 2014	0	1	1	1	0	1	1	0	5
Lee et al. 2016	0	1	1	0	1	1	0	1	5
Lin et al. 2016	0	1	1	1	0	1	1	1	6
Macedo et al. 2014	1	1	1	0	1	1	0	1	6
Michels et al. 2013	0	1	1	1	0	1	1	0	5
Nguyen et al. 2017	1	1	1	1	1	1	1	0	7
Pereira et al. 2018	0	1	1	0	1	1	0	1	5
Phakhounth ong et al. 2018	0	1	1	0	1	1	0	1	5
Pozo- Aguilar et al. 2014	1	1	1	0	1	1	1	1	7
Prasad et al. 2013	0	1	1	1	0	1	1	1	6
Ramabhatta et al. 20 17	0	1	1	1	0	1	1	1	6
Rathakrishn an et al. 2014	0	1	1	1	0	1	1	1	6
Roy et al. 2013	0	1	1	0	0	1	1	1	5
Sahana et al. 2014	0	1	1	0	1	1	1	1	6
Singh et al. 2015	0	1	1	0	0	1	0	0	3
Soundravall y et al. 2015	0	0	1	1	0	1	1	1	5
Sreenivasan et al. 2018	0	1	1	0	1	1	1	1	6
Tai et al. 2017	1	1	1	0	0	1	0	1	5
Tamibmani am et al. 2016	0	1	1	0	1	1	0	0	4
Temprasertr udee et al. 2018	0	1	1	0	1	1	0	1	5
Thanachart wet et al. 2015	0	1	1	0	1	1	1	1	6
Thanachart wet et al. 2016	0	1	1	0	1	1	1	1	6
Thein et al. 2013	0	1	1	0	0	1	0	1	4
Tsai et al. 2013	0	1	1	0	0	1	0	1	4
Van de Weg et al. 2012	0	1	1	1	0	1	1	1	6
Wakimoto et al. 2017	1	0	1	1	1	1	1	1	7
Zhang et al. 2017	0	1	1	0	0	1	0	1	4