Table 3 Summary of countries where studies were conducted
| Â | Continent | Country | Number | Percentage (%) |
|---|---|---|---|---|
High-income countries | Europe | UK | 7 | 23.3% |
Germany | 4 | 13.3% | ||
Netherlands | 3 | 10.0% | ||
Denmark | 1 | 3.3% | ||
Sweden | 1 | 3.3% | ||
France | 1 | 3.3% | ||
North America | USA | 7 | 23.3% | |
Canada | 1 | 3.3% | ||
Oceania | Australia | 1 | 3.3% | |
New Zealand | 1 | 3.3% | ||
Upper middle-income countries | Asia | China | 1 | 3.3% |
Lower middle-income countries | Africa | Egypt | 1 | 3.3% |
Asia | Indonesia | 1 | 3.3% | |
Total | 30 | 100% | ||