| Country | Abstracts | Downloads | |
|---|
 | United States | 327 | 563 | 
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 | Spain | 42 | 61 |
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 | Australia | 65 | 60 |
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 | unknown | 41 | 52 |
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 | United Kingdom | 9 | 33 |
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 | Europe | 13 | 32 |
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 | Canada | 12 | 28 |
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 | Italy | 8 | 16 |
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 | India | 5 | 14 |
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 | South Africa | 4 | 13 |
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 | Portugal | 4 | 11 |
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 | New Zealand | 1 | 10 |
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 | Indonesia | 4 | 10 |
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 | Malaysia | 8 | 9 |
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 | Iran, Islamic Republic of | 1 | 9 |
|
 | China | 6 | 8 |
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 | Germany | 4 | 7 |
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 | Thailand | 0 | 6 |
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 | Chile | 2 | 5 |
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 | Greece | 3 | 5 |
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 | Hong Kong | 1 | 5 |
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 | Korea, Republic of | 1 | 4 |
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 | Croatia | 2 | 4 |
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 | Malta | 0 | 4 |
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 | Colombia | 4 | 4 |
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 | Ireland | 2 | 4 |
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 | Namibia | 0 | 4 |
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 | Russian Federation | 2 | 3 |
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 | Netherlands | 4 | 3 |
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 | Poland | 7 | 3 |
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 | Zimbabwe | 0 | 3 |
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 | Singapore | 0 | 3 |
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 | Slovakia | 0 | 3 |
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 | Argentina | 0 | 2 |
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 | Taiwan, Province of China | 0 | 2 |
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 | Macau | 1 | 2 |
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 | Switzerland | 1 | 2 |
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 | Czech Republic | 2 | 2 |
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 | Pakistan | 0 | 2 |
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 | Israel | 3 | 2 |
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 | Lithuania | 1 | 2 |
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 | Puerto Rico | 2 | 2 |
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 | Uruguay | 2 | 2 |
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 | Japan | 2 | 2 |
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 | Sri Lanka | 1 | 2 |
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 | Antigua and Barbuda | 0 | 1 |
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 | France | 1 | 1 |
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 | Romania | 0 | 1 |
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 | Mexico | 1 | 1 |
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 | Hungary | 1 | 1 |
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 | Fiji | 0 | 1 |
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 | Turkey | 2 | 1 |
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 | Philippines | 2 | 1 |
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 | Costa Rica | 1 | 1 |
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 | Belgium | 1 | 1 |
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 | Bangladesh | 1 | 1 |
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 | Brazil | 2 | 1 |
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 | Sudan | 0 | 1 |
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 | Slovenia | 0 | 1 |
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 | Venezuela | 0 | 1 |
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 | Tanzania, United Republic of | 0 | 1 |
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 | Luxembourg | 0 | 1 |
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 | Cambodia | 0 | 1 |
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 | Jordan | 0 | 1 |
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 | Mauritius | 0 | 1 |
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 | Egypt | 0 | 1 |
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 | Nicaragua | 0 | 1 |
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 | Senegal | 1 | 0 |
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 | Norway | 1 | 0 |
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 | Iceland | 1 | 0 |
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 | Bulgaria | 1 | 0 |
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 | Vietnam | 1 | 0 |
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 | Uganda | 1 | 0 |
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 | Finland | 1 | 0 |
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 | Nepal | 1 | 0 |
|
 | United Arab Emirates | 1 | 0 |
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