Region
Arab countries
1
Asia
3
Boston
1
Canada
1
Charleston
1
Developing countries
4
East Asia
1
England
1
Europe
4
Europe, Eastern
1
Europe, Western
1
France
2
Germany
1
Germany (West)
1
India
1
Japan
5
Korea (South)
1
Latin America
2
London
1
London (England)
2
Massachusetts
1
Middle East
1
Mississippi
2
New York (N.Y.)
1
North America
4
Oceania
1
South Africa
1
South Carolina
1
Southwest, New
1
United States
48