| Country | Abstracts | Downloads | |
|---|
 | United States | 515 | 55 | 
 |
 | Spain | 19 | 6 | 
 |
 | Finland | 1 | 5 | 
 |
 | China | 12 | 4 | 
 |
 | unknown | 29 | 4 | 
 |
 | Canada | 14 | 3 | 
 |
 | Germany | 27 | 3 | 
 |
 | South Africa | 12 | 3 | 
 |
 | United Kingdom | 29 | 2 | 
 |
 | Brazil | 5 | 2 | 
 |
 | Italy | 15 | 2 | 
 |
 | Ecuador | 2 | 2 | 
 |
 | Portugal | 7 | 2 | 
 |
 | New Zealand | 4 | 2 | 
 |
 | Ireland | 5 | 2 | 
 |
 | Europe | 25 | 2 | 
 |
 | Slovenia | 3 | 1 | 
 |
 | Mexico | 3 | 1 | 
 |
 | Czech Republic | 2 | 1 | 
 |
 | Switzerland | 5 | 1 | 
 |
 | Argentina | 2 | 1 | 
 |
 | Hong Kong | 3 | 1 | 
 |
 | France | 3 | 1 | 
 |
 | Malta | 1 | 1 | 
 |
 | Denmark | 5 | 1 | 
 |
 | Iceland | 1 | 1 | 
 |
 | Philippines | 1 | 1 | 
 |
 | Russian Federation | 6 | 1 | 
 |
 | Moldova, Republic of | 1 | 1 | 
 |
 | Australia | 76 | 0 | 
 |
 | Netherlands | 13 | 0 | 
 |
 | Thailand | 11 | 0 | 
 |
 | Malaysia | 11 | 0 | 
 |
 | Egypt | 8 | 0 | 
 |
 | Austria | 6 | 0 | 
 |
 | Singapore | 5 | 0 | 
 |
 | Taiwan, Province of China | 4 | 0 | 
 |
 | Greece | 4 | 0 | 
 |
 | Iran, Islamic Republic of | 4 | 0 | 
 |
 | United Arab Emirates | 3 | 0 | 
 |
 | Indonesia | 3 | 0 | 
 |
 | Belgium | 3 | 0 | 
 |
 | Hungary | 3 | 0 | 
 |
 | India | 3 | 0 | 
 |
 | Saudi Arabia | 2 | 0 | 
 |
 | Poland | 2 | 0 | 
 |
 | Norway | 2 | 0 | 
 |
 | Sweden | 2 | 0 | 
 |
 | Turkey | 2 | 0 | 
 |
 | Korea, Republic of | 2 | 0 | 
 |
 | Vietnam | 2 | 0 | 
 |
 | Japan | 2 | 0 | 
 |
 | Slovakia | 1 | 0 | 
 |
 | Yugoslavia | 1 | 0 | 
 |
 | Estonia | 1 | 0 | 
 |
 | Luxembourg | 1 | 0 | 
 |
 | Lithuania | 1 | 0 | 
 |
 | Nepal | 1 | 0 | 
 |
 | Cyprus | 1 | 0 | 
 |
 | Macedonia, the Former Yugoslav Republic of | 1 | 0 | 
 |
 | Oman | 1 | 0 | 
 |
 | Croatia | 1 | 0 | 
 |