Table 2.

Matrix of preferences sought

Healthcare professionals	Non-healthcare
	Patients	General public	Parents or caregivers
General practitioner	14 (37%)	5 (13%)	4 (11%)
Dentist	1 (3%)	0 (0%)	0 (0%)
Surgeon	2 (5%)	1 (3%)	2 (5%)
Other physician specialty	12 (32%)	4 (11%)	4 (11%)
Nurse/nurse specialist	6 (16%)	1 (3%)	3 (8%)
Pharmacist	3 (8%)	0 (0%)	3 (8%)
Other professions	9 (24%)	2 (5 %)	1 (3%)
Healthcare trainee	1 (3%)	1 (3%)	1 (3%)

Where papers sought preferences from multiple stakeholders, these are counted individually. Data show % of times each profession was involved in conjunction with the corresponding non-healthcare professional group in the 38 studies.