| Country | Abstracts | Downloads | |
|---|
 | United States | 740 | 136 | 
 |
 | unknown | 144 | 40 |
|
 | India | 65 | 27 |
|
 | Australia | 195 | 24 |
|
 | Poland | 92 | 20 |
|
 | Spain | 48 | 19 |
|
 | Greece | 37 | 19 |
|
 | Italy | 39 | 19 |
|
 | United Kingdom | 42 | 13 |
|
 | Europe | 59 | 12 |
|
 | Mexico | 14 | 10 |
|
 | Iran, Islamic Republic of | 15 | 8 |
|
 | Portugal | 32 | 8 |
|
 | Croatia | 19 | 7 |
|
 | Switzerland | 11 | 6 |
|
 | Russian Federation | 5 | 5 |
|
 | France | 6 | 5 |
|
 | Brazil | 13 | 5 |
|
 | Indonesia | 5 | 4 |
|
 | Ethiopia | 3 | 4 |
|
 | Germany | 11 | 4 |
|
 | Finland | 6 | 4 |
|
 | Austria | 3 | 4 |
|
 | Ireland | 9 | 4 |
|
 | South Africa | 35 | 3 |
|
 | Philippines | 7 | 3 |
|
 | China | 15 | 3 |
|
 | Turkey | 15 | 3 |
|
 | Egypt | 3 | 3 |
|
 | Romania | 4 | 2 |
|
 | Puerto Rico | 3 | 2 |
|
 | Hong Kong | 16 | 2 |
|
 | Slovenia | 11 | 2 |
|
 | Canada | 19 | 2 |
|
 | Sri Lanka | 6 | 2 |
|
 | Thailand | 10 | 2 |
|
 | Israel | 3 | 1 |
|
 | Hungary | 5 | 1 |
|
 | Nepal | 1 | 1 |
|
 | Lithuania | 5 | 1 |
|
 | Colombia | 1 | 1 |
|
 | Namibia | 2 | 1 |
|
 | Bangladesh | 1 | 1 |
|
 | Latvia | 2 | 1 |
|
 | Argentina | 4 | 1 |
|
 | Tanzania, United Republic of | 5 | 1 |
|
 | Saudi Arabia | 4 | 1 |
|
 | Pakistan | 5 | 1 |
|
 | Cyprus | 1 | 1 |
|
 | Algeria | 1 | 1 |
|
 | Japan | 4 | 1 |
|
 | Mauritius | 3 | 1 |
|
 | Kenya | 8 | 1 |
|
 | Estonia | 4 | 1 |
|
 | New Zealand | 4 | 1 |
|
 | Jordan | 4 | 1 |
|
 | Singapore | 6 | 1 |
|
 | Peru | 1 | 1 |
|
 | Taiwan, Province of China | 8 | 1 |
|
 | Malaysia | 14 | 0 |
|
 | Netherlands | 10 | 0 |
|
 | United Arab Emirates | 5 | 0 |
|
 | Belgium | 4 | 0 |
|
 | Sweden | 4 | 0 |
|
 | Nigeria | 4 | 0 |
|
 | Yugoslavia | 3 | 0 |
|
 | Uganda | 3 | 0 |
|
 | Bahrain | 2 | 0 |
|
 | Czech Republic | 2 | 0 |
|
 | Zimbabwe | 2 | 0 |
|
 | Fiji | 1 | 0 |
|
 | Morocco | 1 | 0 |
|
 | Macedonia, the Former Yugoslav Republic of | 1 | 0 |
|
 | Macau | 1 | 0 |
|
 | Lebanon | 1 | 0 |
|
 | Iceland | 1 | 0 |
|
 | Barbados | 1 | 0 |
|
 | Bosnia and Herzegovina | 1 | 0 |
|
 | Jamaica | 1 | 0 |
|
 | Norway | 1 | 0 |
|
 | Ukraine | 1 | 0 |
|
 | Slovakia | 1 | 0 |
|
 | Malta | 1 | 0 |
|
 | Brunei Darussalam | 1 | 0 |
|
