University of Wisconsin-Madison

1 Austria
1 Belgium
2 Brazil

1 Canada
2 China
4 Egypt

4 France
2 Germany
1 Hong Kong

1 India
1 Japan
2 Mexico

2 Saudi Arabia
2 Singapore
9 South Korea

1 Sweden
4 Taiwan
2 Thailand

1 Turkey
332 US
1 United Kingdom

1 AK
2 AL
2 AZ

68 CA
4 CO
2 CT

8 DC
2 FL
2 IA

2 ID
20 IL
1 IN

2 KS
2 LA
18 MA

5 MD
1 ME
3 MI

2 MN
4 MO
1 MT

2 NC
2 NH
16 NJ

34 NM
1 NV
14 NY

4 OH
5 OR
3 PA

4 SC
21 TN
13 TX

2 UT
6 VA
11 WA

40 WI
2 WV