| Country | Abstracts | Downloads | |
|---|
 | United States | 2351 | 1365 | 
 |
 | Germany | 220 | 182 | 
 |
 | United Kingdom | 108 | 118 | 
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 | Australia | 200 | 110 | 
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 | Canada | 131 | 95 | 
 |
 | Europe | 98 | 85 | 
 |
 | unknown | 282 | 57 | 
 |
 | Japan | 40 | 56 | 
 |
 | Italy | 44 | 54 | 
 |
 | China | 65 | 52 | 
 |
 | Denmark | 27 | 48 | 
 |
 | Korea, Republic of | 12 | 44 | 
 |
 | India | 34 | 41 | 
 |
 | Spain | 51 | 40 | 
 |
 | Austria | 37 | 37 | 
 |
 | Taiwan, Province of China | 24 | 33 | 
 |
 | Ireland | 47 | 28 | 
 |
 | France | 25 | 26 | 
 |
 | Netherlands | 17 | 23 | 
 |
 | Switzerland | 19 | 20 | 
 |
 | Singapore | 11 | 19 | 
 |
 | Brazil | 15 | 17 | 
 |
 | South Africa | 13 | 15 | 
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 | Yugoslavia | 13 | 14 | 
 |
 | Belgium | 8 | 14 | 
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 | Sweden | 30 | 12 | 
 |
 | Norway | 20 | 10 | 
 |
 | Hong Kong | 7 | 10 | 
 |
 | Czech Republic | 6 | 10 | 
 |
 | New Zealand | 7 | 10 | 
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 | Finland | 6 | 9 | 
 |
 | Greece | 7 | 9 | 
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 | Poland | 18 | 9 | 
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 | Iran, Islamic Republic of | 13 | 9 | 
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 | Croatia | 5 | 8 | 
 |
 | Hungary | 10 | 7 | 
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 | Portugal | 4 | 6 | 
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 | Thailand | 6 | 6 | 
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 | Slovenia | 3 | 5 | 
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 | Argentina | 3 | 5 | 
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 | Israel | 3 | 4 | 
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 | Malaysia | 1 | 4 | 
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 | Lithuania | 1 | 3 | 
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 | Indonesia | 3 | 3 | 
 |
 | Philippines | 1 | 2 | 
 |
 | Kenya | 1 | 2 | 
 |
 | Georgia | 2 | 2 | 
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 | Mexico | 2 | 2 | 
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 | Ethiopia | 0 | 2 | 
 |
 | Slovakia | 4 | 2 | 
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 | Uganda | 0 | 2 | 
 |
 | Romania | 1 | 2 | 
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 | Russian Federation | 7 | 2 | 
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 | Myanmar | 0 | 2 | 
 |
 | United Arab Emirates | 1 | 2 | 
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 | Syrian Arab Republic | 0 | 2 | 
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 | Luxembourg | 1 | 2 | 
 |
 | Egypt | 2 | 1 | 
 |
 | Latvia | 1 | 1 | 
 |
 | Macedonia, the Former Yugoslav Republic of | 0 | 1 | 
 |
 | Peru | 1 | 1 | 
 |
 | Armenia | 0 | 1 | 
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 | Algeria | 0 | 1 | 
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 | Colombia | 1 | 1 | 
 |
 | Belarus | 0 | 1 | 
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 | Jordan | 1 | 1 | 
 |
 | Saudi Arabia | 1 | 1 | 
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 | Cayman Islands | 0 | 1 | 
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 | Mongolia | 0 | 1 | 
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 | Cameroon | 0 | 1 | 
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 | Honduras | 1 | 1 | 
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 | Chile | 1 | 1 | 
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 | Sri Lanka | 0 | 1 | 
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 | Turkey | 1 | 1 | 
 |
 | Malta | 0 | 1 | 
 |
 | Pakistan | 1 | 1 | 
 |
 | Tunisia | 0 | 1 | 
 |
 | Ukraine | 1 | 1 | 
 |
 | Vietnam | 4 | 0 | 
 |
 | Cuba | 2 | 0 | 
 |
 | Dominican Republic | 1 | 0 | 
 |
 | Uruguay | 1 | 0 | 
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 | Bosnia and Herzegovina | 1 | 0 | 
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