Exhibit 4.

Stakeholder participant characteristics

	n	%
Stakeholder Type (Multiple Selections)*
Patient, patient advocate, or consumer	26	45
Clinician (practicing physician or nurse)	18	31
Health system administrator	9	16
Research oversight expert	12	20
Payer	7	12
Researcher	25	43
Research funder	9	16
Other†	6	10
*counts and percents will not add up to 58 (100%)
† “cancer survivor”, “compliance”, “bioethicist”, “consultant”, “institutional legal”
Stakeholder Type (Single Selection, Current Role)
Patient, patient advocate, or consumer	16	28
Clinician (practicing physician or nurse)	6	10
Health system administrator	5	9
Research oversight expert	7	12
Payer	4	7
Researcher	12	21
Research funder	6	10
Other*	2	3
* “HIPAA compliance”, “institutional legal”
Gender
Male	28	48
Female	30	52
Age, years
<30	3	5
30–39	1	2
40–49	18	32
50–59	20	35
60–69	15	26