| Country | Abstracts | Downloads | |
|---|
 | United States | 278 | 98 | 
 |
 | Italy | 13 | 16 |
|
 | Spain | 20 | 14 |
|
 | Australia | 71 | 13 |
|
 | Portugal | 16 | 10 |
|
 | India | 14 | 9 |
|
 | Brazil | 5 | 7 |
|
 | Greece | 14 | 6 |
|
 | Switzerland | 3 | 5 |
|
 | Mexico | 5 | 5 |
|
 | France | 3 | 5 |
|
 | Germany | 2 | 5 |
|
 | Canada | 18 | 4 |
|
 | unknown | 19 | 4 |
|
 | China | 7 | 4 |
|
 | Romania | 3 | 3 |
|
 | Thailand | 1 | 2 |
|
 | Slovenia | 0 | 2 |
|
 | United Kingdom | 6 | 2 |
|
 | Peru | 2 | 2 |
|
 | Korea, Republic of | 3 | 2 |
|
 | South Africa | 10 | 2 |
|
 | Indonesia | 0 | 2 |
|
 | Europe | 23 | 2 |
|
 | Poland | 3 | 2 |
|
 | Netherlands | 6 | 2 |
|
 | Turkey | 2 | 2 |
|
 | Saudi Arabia | 0 | 1 |
|
 | Argentina | 1 | 1 |
|
 | Latvia | 1 | 1 |
|
 | Guam | 1 | 1 |
|
 | Russian Federation | 2 | 1 |
|
 | Macedonia, the Former Yugoslav Republic of | 0 | 1 |
|
 | Jordan | 0 | 1 |
|
 | Colombia | 3 | 1 |
|
 | Iran, Islamic Republic of | 2 | 1 |
|
 | Czech Republic | 2 | 1 |
|
 | Japan | 0 | 1 |
|
 | Sri Lanka | 1 | 1 |
|
 | New Zealand | 1 | 1 |
|
 | Malaysia | 3 | 0 |
|
 | Ireland | 2 | 0 |
|
 | Belgium | 2 | 0 |
|
 | Trinidad and Tobago | 1 | 0 |
|
 | Norway | 1 | 0 |
|
 | Vietnam | 1 | 0 |
|
 | Bulgaria | 1 | 0 |
|
 | Macau | 1 | 0 |
|
 | Philippines | 1 | 0 |
|
 | Uganda | 1 | 0 |
|
 | Hong Kong | 1 | 0 |
|
 | United Arab Emirates | 1 | 0 |
|
 | Singapore | 1 | 0 |
|
 | Mauritius | 1 | 0 |
|
 | Bhutan | 1 | 0 |
|
 | Taiwan, Province of China | 1 | 0 |
|
