Table 2:

Summary of the surveys employed in each study

Study	Survey	Participants	Location
Aamodt et al 10	Close- and open-ended questionnaires	536	Norway, Lithuania
Abdolkhani et al 11	In-depth interviews	9	Australia
Craven et al 19	Open-ended questionnaire	28	Europe
Ding et al 12	Close-ended questionnaire	1601	77 countries
Fraiche et al 7	Semi-structured interviews	13	United States
Hollenbach et al 13	Focus groups	41	United States
Jeffs et al 20	Semi-structured interviews	6	Canada
Korpershoek et al 14	Focus groups	6	Netherlands
Lanssens et al 17	Close-ended questionnaire	44	Belgium
Maguire et al 15	Semi-structured interviews	11	England, Scotland
Mansell et al 16	Focus groups	12	United Kingdom
Runkle et al 18	Close- and open-ended questionnaire	28	United States
Sharif et al 21	Semi-structured interviews	16	United Kingdom