Table 2 Distribution of publications by country and region
Country and regions | Frequency | Percent (%) |
|---|---|---|
Europe | 25 | 51.02 |
 Spain | 6 | 12.25 |
 Germany | 5 | 10.21 |
 Turkey | 4 | 8.16 |
 Croatia | 2 | 4.08 |
 Italy | 2 | 4.08 |
 United Kingdom | 2 | 4.08 |
 France | 1 | 2.04 |
 Malta | 1 | 2.04 |
 Norway | 1 | 2.04 |
 Sweden | 1 | 2.04 |
Asia | 12 | 24.49 |
 China | 3 | 6.12 |
 Japan | 3 | 6.12 |
 Hong Kong, China | 2 | 4.08 |
 Taiwan | 2 | 4.08 |
 Singapore | 1 | 2.04 |
 Thailand | 1 | 2.04 |
North American—United States | 10 | 20.41 |
Oceania—Australia | 1 | 2.04 |
South America—Brazil | 1 | 2.04 |