Sum of scores of Reviewers 1 and 2
Studies	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	Total	Total/2
Kvaal et al. [1]	4	4	4	3	4	4	4	4	4	4	4	4	4	4	1	1.5	4	0	61.5	30.75
Kolltveit et al. [34]	1.5	2	4	4	4	2	4	4	2	4	4	4	0	4	0.5	2	4	0	50	25
Bosmans et al. [21]	4	4	4	2	4	3	4	0	4	4	4	4	4	4	0	1	4	0	54	27
Landa et al. [10]	4	3	4	3	4	4	4	4	4	4	4	4	4	3	1	2	4	0	60	30
Sharma and Srivastava [25]	4	1.5	0	2	0	4	4	4	4	0	0	4	4	1.5	0	1.5	3	0	37.5	18.75
Saxena et al. [24]	4	2	4	2	4	4	4	3	2	2	3	4	4	3	0	1	2	0	48	24
Erbudak et al. [14]	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	2	4	0	66	33
Limdiwala and Shah [22]	4	2	4	2	4	4	4	2	4	0	0	4	4	3	2	2	1.5	0	46.5	23.25
Misirlioglu et al. [26]	4	4	4	4	4	4	4	4	4	4	4	4	4	4	0	4	4	2	66	33
Patil et al. [15]	4	1.5	4	2	3	2	4	3	3	0	4	4	3	4	0	0.5	3	0	45	22.5
Karkhanis et al. [16]	4	4	4	4	4	4	4	2	4	0	4	4	4	4	0	4	4	2	60	30
Mittal et al. [23]	4	3	4	3	4	4	4	2	4	4	1	4	4	4	0	1	2	0	52	26
Marroquin Penaloza et al. [31]	3	3	4	4	4	4	4	4	4	0	4	4	4	4	0	2	4	2	58	29
Marroquin Penaloza et al. [30]	4	3	4	3	4	2.5	4	3	4	4	4	4	4	2.5	2	1	3	4	60	30
Roh et al. [12]	4	4	4	3	1	3	4	4	4	0	2.5	4	4	4	1	4	4	0	54.5	27.27
Li et al. [9]	4	3	4	3	4	4	4	4	4	4	4	4	4	4	0.5	3	4	4	65.5	32.75
Akay et al. [11]	0	3	4	3	4	4	4	4	4	4	4	4	4	4	0.5	2	3	4	59.5	29.75
Hisham et al. [28]	4	3	4	4	4	3	4	4	4	4	4	4	4	4	1	2	2	2	61	30.5
Hisham et al. [33]	3	1.5	4	3	4	4	4	1	4	0	4	4	3	4	0	3	4	0	50.5	25.25
Li et al. [29]	4	1.5	4	3	4	4	4	4	4	0	4	4	4	3	0	1.5	3	4	56	28
Chandan et al. [27]	4	4	2	3	4	3	4	4	4	4	4	4	4	4	0	1.5	4	4	61.5	30.75
Vossoughi et al. [32]	4	4	4	4	4	3	4	4	4	4	4	4	4	4	0	2.5	4	4	65.5	32.75