| Country | Abstracts | Downloads | |
|---|
 | United States | 834 | 232 | 
 |
 | Greece | 53 | 36 |
|
 | unknown | 215 | 30 |
|
 | Australia | 133 | 25 |
|
 | United Kingdom | 22 | 24 |
|
 | Canada | 28 | 19 |
|
 | Spain | 18 | 13 |
|
 | Europe | 19 | 13 |
|
 | India | 10 | 12 |
|
 | Ireland | 8 | 9 |
|
 | Malaysia | 13 | 8 |
|
 | Saudi Arabia | 6 | 7 |
|
 | Turkey | 8 | 6 |
|
 | China | 12 | 6 |
|
 | Netherlands | 5 | 6 |
|
 | Italy | 5 | 5 |
|
 | Brazil | 8 | 5 |
|
 | Romania | 2 | 5 |
|
 | Vietnam | 7 | 4 |
|
 | Mexico | 2 | 4 |
|
 | Switzerland | 9 | 4 |
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 | South Africa | 5 | 4 |
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 | Sweden | 5 | 4 |
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 | Indonesia | 2 | 3 |
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 | Hong Kong | 6 | 3 |
|
 | Mauritius | 4 | 3 |
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 | New Zealand | 2 | 3 |
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 | Germany | 5 | 3 |
|
 | Belgium | 2 | 2 |
|
 | Korea, Republic of | 4 | 2 |
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 | Israel | 1 | 2 |
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 | Japan | 32 | 2 |
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 | Russian Federation | 2 | 2 |
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 | Cyprus | 5 | 2 |
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 | Iran, Islamic Republic of | 3 | 2 |
|
 | Micronesia, Federated States of | 0 | 2 |
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 | Czech Republic | 2 | 2 |
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 | Jordan | 0 | 1 |
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 | Kenya | 0 | 1 |
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 | Uruguay | 1 | 1 |
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 | Taiwan, Province of China | 4 | 1 |
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 | Bangladesh | 0 | 1 |
|
 | Namibia | 0 | 1 |
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 | Barbados | 1 | 1 |
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 | Austria | 1 | 1 |
|
 | Slovenia | 1 | 1 |
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 | Norway | 0 | 1 |
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 | Sri Lanka | 0 | 1 |
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 | France | 0 | 1 |
|
 | Portugal | 2 | 1 |
|
 | Yugoslavia | 1 | 1 |
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 | Finland | 0 | 1 |
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 | Antigua and Barbuda | 1 | 1 |
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 | Denmark | 0 | 1 |
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 | Singapore | 2 | 1 |
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 | Pakistan | 0 | 1 |
|
 | Bahrain | 1 | 1 |
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 | Poland | 1 | 1 |
|
 | Bahamas | 1 | 1 |
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 | Argentina | 1 | 1 |
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 | Thailand | 3 | 1 |
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 | Colombia | 1 | 1 |
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 | United Arab Emirates | 2 | 0 |
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 | Iceland | 2 | 0 |
|
 | Nigeria | 1 | 0 |
|
 | Bulgaria | 1 | 0 |
|
 | Ethiopia | 1 | 0 |
|
 | Bolivia | 1 | 0 |
|
 | Kuwait | 1 | 0 |
|
 | Philippines | 1 | 0 |
|
