Table 1

Characteristics of participants

No	Gender	Age	Role	User/developer
Healthcare professionals (n=8)
1	Female	40–50	Cardiologist	User
2	Male	40–50	Cardiologist	User
3	Female	40–50	Cardiologist	User
4	Female	50–60	Cardiac nurse	User
5	Male	50–60	Cardiac nurse	User
6	Male	50–60	Professor in medicine	User
7	Male	40–50	Professor in medicine	User/developer
8	Male	50–60	Professor in medicine	User/developer
Cardiac patients (n=6)
9	Female	30–40	Patient	User
10	Male	50–60	Patient and patient representative	User
11	Female	60–70	Patient and patient representative	User
12	Female	60–70	Patient	User
13	Male	70–80	Patient	User
14	Male	60–70	Patient	User
Managers (n=5)
15	Male	30–40	Hospital manager	User
16	Male	40–50	Outpatient clinic manager	User/developer
17	Female	40–50	Hospital board member	User
18	Female	40–50	Director outpatient clinic	Developer
19	Female	50–60	Director national IT healthcare institute	Developer
ICT developers (n=5)
20	Male	30–40	ICT developer/director	Developer
21	Male	20–30	ICT developer/researcher	Developer
22	Male	40–50	ICT developer	Developer
23	Male	60–70	ICT developer/director	Developer
24	Male	50–60	ICT developer/researcher	Developer