Country of Study | Frequency | Percent | Citation |
---|---|---|---|
Bosnia and Herzegovina | 2 | 1.6 | |
Brazil | 4 | 3.2 | |
Canada | 10 | 8 | |
Colombia | 1 | 0.8 | [39] |
Democratic Republic of Congo | 1 | 0.8 | [40] |
Denmark | 2 | 1.6 | |
Ethiopia | 2 | 1.6 | |
Germany | 2 | 1.6 | |
Indonesia | 2 | 1.6 | |
Israel | 4 | 3.2 | |
Italy | 1 | 0.8 | [53] |
Multinational | 11 | 8.8 | |
Nepal | 2 | 1.6 | |
Netherlands | 1 | 0.8 | [66] |
Norway | 1 | 0.8 | [67] |
Poland | 1 | 0.8 | [68] |
Tanzania | 1 | 0.8 | [69] |
Uganda | 2 | 1.6 | |
United Kingdom | 8 | 6.4 | |
United States | 66 | 52.8 | [11, 80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144] |
Vietnam | 1 | 0.8 | [145] |
Total | 125 | 100.0 | 125 |