| Country | Abstracts | Downloads | |
|---|
 | United States | 475 | 220 | 
 |
 | Australia | 96 | 29 |
|
 | India | 26 | 23 |
|
 | Europe | 36 | 20 |
|
 | unknown | 39 | 20 |
|
 | Iran, Islamic Republic of | 27 | 15 |
|
 | United Kingdom | 18 | 14 |
|
 | South Africa | 28 | 11 |
|
 | Canada | 22 | 8 |
|
 | Italy | 14 | 8 |
|
 | Spain | 14 | 8 |
|
 | China | 10 | 6 |
|
 | Pakistan | 1 | 5 |
|
 | France | 5 | 4 |
|
 | Germany | 6 | 4 |
|
 | Belgium | 1 | 4 |
|
 | Netherlands | 8 | 4 |
|
 | Colombia | 4 | 4 |
|
 | Greece | 2 | 4 |
|
 | Hong Kong | 12 | 3 |
|
 | Mexico | 2 | 2 |
|
 | Portugal | 2 | 2 |
|
 | Turkey | 2 | 2 |
|
 | Jordan | 0 | 2 |
|
 | Sri Lanka | 1 | 2 |
|
 | Finland | 3 | 2 |
|
 | Sweden | 2 | 2 |
|
 | Kenya | 0 | 2 |
|
 | United Arab Emirates | 4 | 2 |
|
 | Ethiopia | 3 | 2 |
|
 | Chile | 2 | 1 |
|
 | Philippines | 1 | 1 |
|
 | Argentina | 1 | 1 |
|
 | Saudi Arabia | 0 | 1 |
|
 | Denmark | 2 | 1 |
|
 | Austria | 1 | 1 |
|
 | Taiwan, Province of China | 2 | 1 |
|
 | Estonia | 0 | 1 |
|
 | Lithuania | 0 | 1 |
|
 | Cambodia | 0 | 1 |
|
 | Singapore | 7 | 1 |
|
 | Israel | 1 | 1 |
|
 | Korea, Republic of | 2 | 1 |
|
 | New Zealand | 1 | 1 |
|
 | Hungary | 0 | 1 |
|
 | Russian Federation | 4 | 1 |
|
 | Costa Rica | 1 | 1 |
|
 | Kuwait | 1 | 1 |
|
 | Latvia | 2 | 1 |
|
 | Switzerland | 1 | 1 |
|
 | Japan | 5 | 1 |
|
 | Egypt | 0 | 1 |
|
 | Thailand | 2 | 1 |
|
 | Ireland | 2 | 1 |
|
 | Brazil | 4 | 1 |
|
 | Poland | 2 | 1 |
|
 | Liberia | 0 | 1 |
|
 | Cameroon | 1 | 1 |
|
 | Sudan | 0 | 1 |
|
 | Malaysia | 7 | 1 |
|
 | Vietnam | 4 | 0 |
|
 | Indonesia | 2 | 0 |
|
 | Slovakia | 2 | 0 |
|
 | Malta | 2 | 0 |
|
 | Yugoslavia | 2 | 0 |
|
 | Czech Republic | 2 | 0 |
|
 | Tanzania, United Republic of | 1 | 0 |
|
 | Zimbabwe | 1 | 0 |
|
 | Luxembourg | 1 | 0 |
|
 | Bahrain | 1 | 0 |
|
 | Norway | 1 | 0 |
|
 | Uganda | 1 | 0 |
|
 | Jamaica | 1 | 0 |
|
