Table 2. Description of Studies Included in the Literature Synthesis (n = 177).

Document Type	#	Study Method	#	Country	#
Published manuscript	147	Quantitative	53	Australia	20
Thesis/Dissertation	3	Qualitative	71	Canada	13
Presentation/newsletter/abstract	21	Mixed methods	32	United Kingdom	64
Other	6	Knowledge synthesis	20	United States	54
				Othera	26

^aChina (2), Germany (2), Global (15), Italy (2), Netherlands (2), Sweden (2), and New Zealand (1).