Table 2.
Study Characteristics
| Included studies | n |
|---|---|
| Total | 41 |
| Setting: | |
| Ambulatory | 33 |
| Hospital | 7 |
| Nursing home | 1 |
| Country: | |
| United States | 18 |
| United Kingdom | 17 |
| Canada | 2 |
| Australia | 1 |
| France | 1 |
| Netherlands | 1 |
| Taiwan | 1 |
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