Subject Region
United States
93
Germany
23
China
8
Great Britain
8
India
8
Developing countries
7
Latin America
7
Brazil
6
Massachusetts
6
Europe
5
France
5
Mexico
5
Argentina
4
Indonesia
3
Peru
3
Africa, North
2
Africa, Sub-Saharan
2
Europe, Eastern
2
Israel
2
Japan
2
Middle East
2
Mongolia
2
Pacific Area
2
Rhode Island
2
Sudan
2
Tanzania
2
Turkey
2
Zimbabwe
2
Alabama
1
Algeria
1
Asia
1
Barbados
1
Bolivia
1
Boston
1
Boston (Mass.)
1
Brasil
1
Caribbean Area
1
Egypt
1
European Union countries
1
Gambia
1
Hamburg
1
Hamburg (Germany)
1
Iceland
1
Italy
1
Kenya
1
Korea (South)
1
Kuwait
1
Mali
1
New Hampshire
1
Pakistan
1
more ...