Region
United States
75
Great Britain
11
Developing countries
9
European Union countries
9
Africa
8
United States --
8
China
7
China --
7
Australia
6
Europe
5
Asia
4
India
4
Tropics
4
Africa, Sub-Saharan
3
Canada
3
Ghana
3
Japan
3
Latin America
3
North America
3
Africa,Sub-Saharan
2
California --
2
Caribbean Area
2
European Union countries --
2
Germany
2
Hong Kong
2
India --
2
Japan --
2
Kenya
2
Mediterranean Region
2
Southeast Asia
2
Sweden
2
x
2
Africa, Eastern
1
Africa, Southern
1
Africa, Sub-Saharan --
1
Africa, West
1
Albania
1
Albania --
1
Arab countries
1
Arab countries --
1
Argentina
1
Australia --
1
Bali (Province)
1
Biliary tract --
1
Brazil
1
California
1
Canada --
1
Caribbean Area --
1
Channel Islands --
1
Confederate States of America --
1
more ...