Table 2.

Summary of key characteristics of included studies.

	Variable	n (%)
Type of publication
	Original research	28 (78%)
	Brief report	3 (8%)
	Perspective	2 (6%)
	Letter to the editor/commentary	2 (6%)
	Review	1 (3%)
Geographical location
	Asia	12 (33%)
	Europe	10 (28%)
	North America	8 (22%)
	Multi-country	3 (8%)
	Australia	2 (6%)
	Africa	1 (3%)
Healthcare setting
	Hospitals	16 (44%)
	Multiple settings	14 (39%)
	Elderly residential care	2 (6%)
	Primary care	2 (6%)
	Community-based	1 (3%)
	Unspecified	1 (3%)
Study design
	Quantitative	14 (39%)
	Qualitative	14 (39%)
	Mixed	8 (22%)
Needs identified by
	Professionals	35 (97%)
	Patients	1 (3%)