| Country | Abstracts | Downloads | |
|---|
 | United States | 451 | 78 | 
 |
 | Spain | 31 | 17 |
|
 | Australia | 35 | 11 |
|
 | India | 11 | 10 |
|
 | Canada | 15 | 6 |
|
 | unknown | 36 | 6 |
|
 | Italy | 21 | 6 |
|
 | Mexico | 5 | 6 |
|
 | Netherlands | 10 | 5 |
|
 | Switzerland | 7 | 5 |
|
 | France | 15 | 5 |
|
 | Europe | 40 | 3 |
|
 | Taiwan, Province of China | 3 | 3 |
|
 | Sweden | 9 | 3 |
|
 | Germany | 14 | 3 |
|
 | Turkey | 3 | 2 |
|
 | Finland | 2 | 2 |
|
 | United Kingdom | 15 | 2 |
|
 | Iran, Islamic Republic of | 4 | 2 |
|
 | China | 5 | 2 |
|
 | Uruguay | 4 | 2 |
|
 | Russian Federation | 2 | 1 |
|
 | Czech Republic | 2 | 1 |
|
 | Singapore | 6 | 1 |
|
 | New Zealand | 4 | 1 |
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 | Hungary | 1 | 1 |
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 | Portugal | 3 | 1 |
|
 | Thailand | 1 | 1 |
|
 | Estonia | 1 | 1 |
|
 | Israel | 1 | 1 |
|
 | Moldova, Republic of | 1 | 1 |
|
 | Peru | 1 | 1 |
|
 | Greece | 8 | 1 |
|
 | Poland | 5 | 1 |
|
 | Japan | 11 | 0 |
|
 | Brazil | 6 | 0 |
|
 | Bulgaria | 3 | 0 |
|
 | Austria | 2 | 0 |
|
 | Belgium | 2 | 0 |
|
 | Denmark | 2 | 0 |
|
 | Romania | 2 | 0 |
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 | Hong Kong | 2 | 0 |
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 | Norway | 2 | 0 |
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 | Ireland | 2 | 0 |
|
 | Korea, Republic of | 2 | 0 |
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 | Pakistan | 1 | 0 |
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 | Slovakia | 1 | 0 |
|
 | Chile | 1 | 0 |
|
 | Yugoslavia | 1 | 0 |
|
 | Jordan | 1 | 0 |
|
 | Palestinian Territory, Occupied | 1 | 0 |
|
 | Philippines | 1 | 0 |
|
 | Lithuania | 1 | 0 |
|
 | Malaysia | 1 | 0 |
|
 | Croatia | 1 | 0 |
|
