| Country | Abstracts | Downloads | |
|---|
 | United States | 947 | 99 | 
 |
 | unknown | 150 | 22 |
|
 | Australia | 158 | 20 |
|
 | Iran, Islamic Republic of | 32 | 20 |
|
 | Europe | 85 | 18 |
|
 | Spain | 33 | 12 |
|
 | Saudi Arabia | 26 | 8 |
|
 | United Kingdom | 55 | 8 |
|
 | Singapore | 24 | 6 |
|
 | Pakistan | 23 | 6 |
|
 | Hong Kong | 18 | 5 |
|
 | Mexico | 21 | 4 |
|
 | Italy | 17 | 4 |
|
 | India | 36 | 4 |
|
 | Germany | 28 | 4 |
|
 | Taiwan, Province of China | 12 | 3 |
|
 | Canada | 53 | 3 |
|
 | Greece | 13 | 3 |
|
 | Malaysia | 7 | 3 |
|
 | Brazil | 7 | 3 |
|
 | Thailand | 23 | 3 |
|
 | Bulgaria | 0 | 3 |
|
 | Egypt | 7 | 2 |
|
 | Colombia | 5 | 2 |
|
 | Chile | 9 | 2 |
|
 | South Africa | 31 | 2 |
|
 | Nigeria | 12 | 2 |
|
 | France | 11 | 2 |
|
 | Korea, Republic of | 11 | 2 |
|
 | Venezuela | 4 | 2 |
|
 | China | 11 | 1 |
|
 | Vietnam | 2 | 1 |
|
 | Turkey | 17 | 1 |
|
 | Argentina | 2 | 1 |
|
 | United Arab Emirates | 21 | 1 |
|
 | Russian Federation | 2 | 1 |
|
 | Finland | 4 | 1 |
|
 | Poland | 5 | 1 |
|
 | Azerbaijan | 0 | 1 |
|
 | Ethiopia | 5 | 1 |
|
 | Philippines | 6 | 1 |
|
 | Belgium | 1 | 1 |
|
 | Bangladesh | 5 | 1 |
|
 | Czech Republic | 2 | 1 |
|
 | New Zealand | 1 | 1 |
|
 | Israel | 2 | 1 |
|
 | Kenya | 4 | 1 |
|
 | Japan | 14 | 0 |
|
 | Lithuania | 12 | 0 |
|
 | Netherlands | 10 | 0 |
|
 | Sweden | 7 | 0 |
|
 | Switzerland | 7 | 0 |
|
 | Austria | 6 | 0 |
|
 | Lebanon | 4 | 0 |
|
 | Ireland | 4 | 0 |
|
 | Portugal | 4 | 0 |
|
 | Bahrain | 4 | 0 |
|
 | Tanzania, United Republic of | 3 | 0 |
|
 | Slovakia | 3 | 0 |
|
 | Norway | 3 | 0 |
|
 | Zimbabwe | 3 | 0 |
|
 | Hungary | 3 | 0 |
|
 | Yugoslavia | 2 | 0 |
|
 | Estonia | 2 | 0 |
|
 | Kuwait | 2 | 0 |
|
 | Sudan | 2 | 0 |
|
 | Luxembourg | 2 | 0 |
|
 | Latvia | 2 | 0 |
|
 | Namibia | 2 | 0 |
|
 | Georgia | 2 | 0 |
|
 | Romania | 2 | 0 |
|
 | Indonesia | 2 | 0 |
|
 | Uganda | 2 | 0 |
|
 | Puerto Rico | 1 | 0 |
|
 | Kazakhstan | 1 | 0 |
|
 | Ecuador | 1 | 0 |
|
 | Costa Rica | 1 | 0 |
|
 | Algeria | 1 | 0 |
|
 | Sri Lanka | 1 | 0 |
|
 | Mozambique | 1 | 0 |
|
 | Jordan | 1 | 0 |
|
 | Macedonia, the Former Yugoslav Republic of | 1 | 0 |
|
 | Maldives | 1 | 0 |
|
 | Mongolia | 1 | 0 |
|
 | Guatemala | 1 | 0 |
|
 | Mauritius | 1 | 0 |
|
 | Panama | 1 | 0 |
|
 | Zambia | 1 | 0 |
|
 | Lesotho | 1 | 0 |
|
 | Nepal | 1 | 0 |
|
