Table 1.

Summary of all literature initially included in the study.

Publication type	Counts	%
Article	4,300	60.0
Review	1,351	18.8
Editorial material	429	6.0
Meeting abstract	375	5.2
Letter	360	5.0
Early access	310	4.3
Revised	26	0.4
Book Chapter	11	0.2
News item/Conference papers/Retraction/Data paper	9	0.1