Table 1.

Overview of the modified Delphi, 18-point quality assessment checklist for studies included in the review

Ref.	Yes response	No response	Partiel reported/ unclear	Assessment
Fattovich et al[21]	16	2	0	High-quality
Diago et al[7]	15	2	1	High-quality
Apolinario et al[9]	14	2	2	High-quality
Darling et al[31]	14	1	3	High-quality
Lagging et al[34]	14	3	1	High-quality
Al-Ashgar[19]	13	3	2	Low-quality
Derbala et al[32]	13	2	3	Low-quality
Kurelac et al[33]	12	3	3	Low-quality

Studies was ranked as high quality if the provided ≥ 14 “yes” answers, or low quality if they provided ≤ 13 “yes” answers.