Academic Institutions Lifetime |
Academic Institutions Prior Five Years |
Non-academic Institutions Lifetime |
|||
---|---|---|---|---|---|
#1 | United Kingdom | #1 | South Africa | #1 | United States |
#2 | United Kingdom | #2 | India | #2 | United Kingdom |
#3 | United Kingdom | #3 | China | #3 | China |
#4 | United States | #4 | Ghana | #4 | United States |
#5 | Ghana | #5 | Japan | #5 | Sri Lanka |
#6 | United States | #6 | United States | ||
#7 | United States | #7 | United Kingdom | ||
#8 | South Africa | #8 | United States | ||
#9 | United Kingdom | #9 | United States | ||
#10 | United States | #10 | United States | ||
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