Table 3. Scale for the Assessment of Narrative Review Articles (SANRA) quality assessment for review articles.

Publication	Neophytou et al. [16]	Ramzi et al. [17]	Carneiro et al. [18]	Xu et al. [19]	Strasser et al. [20]	Singh et al. [21]	Yuan et al. [22]
Justification of the article's importance in the readership	2	2	2	2	2	2	2
Statement of concrete aims or formulation of questions	2	1	1	2	1	2	2
Description of the literature search	2	2	2	2	2	2	2
Referencing	2	2	2	2	2	2	2
Scientific reasoning	2	2	1	2	2	2	2
Appropriate presentation of data	1	2	2	2	2	2	2