| Country | | | | |
| US | 14 |
6,8,25,28,31–34,37,39–41,45,49
| 6 |
15–19,22
|
| UK | 8 |
23,27,29,35,42,48,51,57
| 3 |
7,14,21
|
| Australia | 7 |
26,30,36,46,47,50,58
| 1 |
13
|
| New Zealand | 2 |
5,43
| 2 |
4,20
|
| Canada | 2 |
10,59
| | |
| Other (Belgium, Israel, Japan) | 3 |
24,38,44
| | |
| Year of publication | | | | |
| 1963–1980 | 1 |
37
| 2 |
17,22
|
| 1981–1990 | 5 |
23,24,28,31,32
| | |
| 1991–2000 | 7 |
5,10,40,45,46,51,57
| 1 |
7
|
| 2001–2010 | 13 |
8,26,27,34,35,38,39,41,42,47,50,58,59
| 5 |
4,13,14,19,21
|
| 2011–2022 | 10 |
6,25,29,30,33,36,43,44,48,49
| 4 |
15,16,18,20
|
| Setting or specialty |
| General practice or primary care | 6 |
5,31,35,47,51,57
| 5 |
4,13–15,18
|
| General | 22 |
6,10,23,25–29,32,34,36–38,40,41,43,45,46,48,50,58,59
| 4 |
7,17,19,22
|
| Hospital or cancer centre | 2 |
39,44
| 1 |
16
|
| Mental health or psychiatry or addiction | 5 |
24,30,33,42,49
| 1 |
20
|
| Palliative care | 1 |
8
| 1 |
21
|