Table 1.
First Author, Year | Q1 | Q2 | Q3 | Q4 | Q5 | Q6 | Q7 | Q8 | Q9 | Q10 | Q11 | Q12 | Q13 | Quality Index |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Isolauri 2000 [41] | unclear | unclear | YES | YES | YES | YES | YES | YES | unclear | YES | YES | YES | YES | Medium-high |
Kirjavainen 2003 [42] | unclear | unclear | YES | YES | NO | YES | YES | YES | unclear | YES | YES | YES | YES | Medium-high |
Viljanen 2005 [43] | YES | YES | YES | YES | YES | YES | YES | YES | unclear | YES | YES | YES | YES | Excellent |
Weston et al., 2005 [44] | YES | YES | YES | YES | YES | YES | YES | YES | unclear | YES | YES | YES | YES | Excellent |
Brouwer 2006 [45] | unclear | unclear | YES | YES | YES | YES | YES | YES | unclear | YES | YES | YES | YES | Medium-high |
Fölster-Holst 2006 [46] | unclear | unclear | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | High |
Grüber 2007 [47] | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | Excellent |
Woo 2010 [48] | unclear | unclear | YES | YES | YES | YES | YES | YES | unclear | YES | YES | YES | YES | Medium-high |
Klewicka 2011 [49] | unclear | YES | YES | YES | YES | YES | YES | YES | unclear | YES | YES | YES | YES | High |
Gore 2012 [50] | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | Excellent |
Han 2012 [51] | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | Excellent |
Wang 2015 [52] | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | Excellent |
Prakoeswa 2017 [53] | unclear | unclear | YES | YES | YES | YES | YES | YES | unclear | YES | YES | YES | YES | Medium-high |
Wu 2017 [54] | unclear | unclear | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | High |
Ahn 2020 [55] | unclear | YES | YES | YES | YES | YES | YES | YES | unclear | YES | YES | YES | YES | High |
Rather 2021 [56] | YES | YES | YES | YES | YES | YES | YES | YES | unclear | YES | YES | YES | YES | Excellent |
Carucci 2022 [57] | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | Excellent |