Academic Institutions Lifetime |
Academic Institutions Prior Five Years |
Non-academic Institutions Lifetime |
|||
---|---|---|---|---|---|
#1 | United States | #1 | China | #1 | United States |
#2 | Belgium | #2 | Germany | #2 | United States |
#3 | United States | #3 | China | #3 | United States |
#4 | United States | #4 | United States | #4 | United States |
#5 | Canada | #5 | Belgium | #5 | United Kingdom |
#6 | Spain | #6 | Germany | #6 | Germany |
#7 | United States | #7 | Italy | #7 | Australia |
#8 | United States | #8 | United States | #8 | Japan |
#9 | Italy | #9 | South Korea | #9 | United States |
#10 | United States | #10 | Germany | #10 | South Korea |
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