| Country | Abstracts | Downloads | |
|---|
 | United States | 487 | 314 | 
 |
 | United Kingdom | 58 | 112 |
|
 | Australia | 121 | 57 |
|
 | Europe | 20 | 26 |
|
 | Spain | 37 | 24 |
|
 | Belgium | 22 | 2 |
|
 | unknown | 118 | 19 |
|
 | Canada | 12 | 18 |
|
 | India | 12 | 16 |
|
 | Ireland | 5 | 14 |
|
 | South Africa | 7 | 12 |
|
 | Hong Kong | 9 | 11 |
|
 | Netherlands | 8 | 10 |
|
 | China | 4 | 10 |
|
 | Mexico | 8 | 8 |
|
 | New Zealand | 5 | 8 |
|
 | Germany | 5 | 7 |
|
 | Singapore | 1 | 7 |
|
 | Switzerland | 7 | 6 |
|
 | Korea, Republic of | 3 | 5 |
|
 | Finland | 2 | 5 |
|
 | France | 3 | 5 |
|
 | Thailand | 0 | 5 |
|
 | Poland | 6 | 4 |
|
 | Iran, Islamic Republic of | 4 | 4 |
|
 | Taiwan, Province of China | 2 | 3 |
|
 | Malaysia | 6 | 3 |
|
 | Turkey | 4 | 3 |
|
 | Greece | 7 | 3 |
|
 | Sweden | 3 | 3 |
|
 | Indonesia | 2 | 2 |
|
 | Argentina | 3 | 2 |
|
 | Sri Lanka | 1 | 2 |
|
 | Estonia | 1 | 2 |
|
 | Kuwait | 1 | 2 |
|
 | Italy | 6 | 2 |
|
 | Colombia | 4 | 2 |
|
 | Trinidad and Tobago | 1 | 2 |
|
 | Zimbabwe | 0 | 1 |
|
 | United Arab Emirates | 1 | 1 |
|
 | Ukraine | 1 | 1 |
|
 | Bulgaria | 1 | 1 |
|
 | Ethiopia | 1 | 1 |
|
 | Japan | 3 | 1 |
|
 | Slovakia | 1 | 1 |
|
 | Portugal | 0 | 1 |
|
 | Latvia | 0 | 1 |
|
 | Philippines | 1 | 1 |
|
 | Saudi Arabia | 2 | 1 |
|
 | Russian Federation | 2 | 1 |
|
 | Fiji | 1 | 1 |
|
 | Luxembourg | 1 | 1 |
|
 | Brazil | 1 | 1 |
|
 | Senegal | 0 | 1 |
|
 | Tanzania, United Republic of | 0 | 1 |
|
 | Israel | 2 | 1 |
|
 | Uruguay | 2 | 1 |
|
 | Austria | 1 | 1 |
|
 | Malta | 2 | 1 |
|
 | Norway | 4 | 0 |
|
 | Croatia | 2 | 0 |
|
 | Barbados | 1 | 0 |
|
 | Jamaica | 1 | 0 |
|
 | Bolivia | 1 | 0 |
|
 | Puerto Rico | 1 | 0 |
|
 | Nepal | 1 | 0 |
|
 | Lithuania | 1 | 0 |
|
 | Yugoslavia | 1 | 0 |
|
 | Cyprus | 1 | 0 |
|
 | Jordan | 1 | 0 |
|
 | Nigeria | 1 | 0 |
|
 | Kenya | 1 | 0 |
|
