Academic Institutions Lifetime |
Academic Institutions Prior Five Years |
Non-academic Institutions Lifetime |
|||
---|---|---|---|---|---|
#1 | United States | #1 | China | #1 | France |
#2 | United Kingdom | #2 | China | #2 | Ukraine |
#3 | China | #3 | Austria | #3 | Russia |
#4 | United States | #4 | Nigeria | #4 | Poland |
#5 | United States | #5 | United States | ||
#6 | United States | #6 | United States | ||
#7 | Canada | #7 | China | ||
#8 | China | #8 | Russia | ||
#9 | Japan | #9 | Turkey | ||
#10 | United Kingdom | #10 | China | ||
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