Region
Afghanistan
1
Africa
2
Africa, East
1
Africa, Sub-Saharan
1
Alabama
1
Asia
3
Atlanta
1
Australia
11
Baltimore
1
Brazil
2
British Columbia
3
Brooklyn
2
Brooklyn (New York, N.Y.)
2
California
10
California City
2
California, Northern
2
Canada
7
Central America
1
Central Australia
1
Chicago
3
Chicago Metropolitan Area
1
Chicago Metropolitan Area (Ill.)
1
Chile
2
China
4
Chinatown
1
Chinatown (San Francisco, Calif.)
1
Cincinnati
1
Colombia
1
Colorado
1
Columbia
1
Connecticut
2
Corpus Christi (Tex.)
1
Earth (Planet)
1
East Asia
2
El Salvador
1
English-speaking countries
2
Europe
2
Europe, Eastern
2
Family life
1
France
4
Georgia
1
Georgia (Republic)
1
Germany
5
Germany (East)
1
Great Britain
31
Guatemala
2
Harlem
3
Harlem (New York, N.Y.)
3
Health risk assessment
1
Hesse
1
more ...