1Stanford University Stanford， CA4.9 斯坦福大学
2University of California--Berkeley Berkeley， CA4.7
3Harvard University Boston， MA4.6
3University of Washington Seattle， WA4.6
5Johns Hopkins University Baltimore， MD4.4
6Harvard University Cambridge， MA4.3
6University of Chicago Chicago， IL4.3
6University of Washington Seattle， WA4.3
9Carnegie Mellon University Pittsburgh， PA4.1
10Duke University Durham， NC4.0
10University of North Carolina--Chapel Hill Chapel Hill， NC4.0
12North Carolina State University Raleigh， NC3.9
12Texas A&M University--College Station College Station， TX3.9
12University of Michigan--Ann Arbor Ann Arbor， MI3.9
12University of Pennsylvania Philadelphia， PA3.9
12University of Wisconsin--Madison Madison， WI3.9
17University of California--Berkeley Berkeley， CA3.8
17University of Michigan--Ann Arbor Ann Arbor， MI3.8
17University of Minnesota--Twin Cities Minneapolis， MN3.8
20Iowa State University Ames， IA3.7
20Pennsylvania State University University Park， PA3.7
22Columbia University New York， NY3.6
22Cornell University Ithaca， NY3.6
22Purdue University--West Lafayette West Lafayette， IN3.6
22University of Minnesota--Twin Cities Minneapolis， MN3.6
22University of North Carolina--Chapel Hill Chapel Hill， NC3.6
27Ohio State University Columbus， OH3.5
27University of California--Los Angeles Los Angeles， CA3.5
27University of Florida Gainesville， FL3.5
27University of Wisconsin--Madison Madison， WI3.5
31University of California--Davis Davis， CA3.4
31University of California--Los Angeles Los Angeles， CA3.4
33Columbia University New York， NY3.3
33University of Illinois--Urbana-Champaign Champaign， IL3.3
33University of Iowa Iowa City， IA3.3
33Yale University New Haven， CT3.3
37Rutgers， the State University of New Jersey--New Brunswick Piscataway， NJ3.2
38Emory University Atlanta， GA3.1
38Rice University Houston， TX3.1
40Colorado State University Fort Collins， CO3.0
40Florida State University Tallahassee， FL3.0
40University of Connecticut Storrs， CT3.0
40University of Iowa Iowa City， IA3.0
44Michigan State University East Lansing， MI2.9
45Boston University Boston， MA2.8
45University of Pittsburgh Pittsburgh， PA2.8
45University of Pittsburgh Pittsburgh， PA2.8
48George Washington University Washington， DC2.7
48Northwestern University Evanston， IL2.7
48University of Georgia Athens， GA2.7
48University of Missouri Columbia， MO2.7
48Virginia Tech Blacksburg， VA2.7
53Southern Methodist University Dallas， TX2.6
53University of Texas Health Science Center--Houston Houston， TX2.6
55Medical College of Wisconsin Milwaukee， WI2.5
55University of California--Santa Barbara Santa Barbara， CA2.5
55University of California--Santa Barbara Santa Barbara， CA2.5
57University of South Carolina Columbia， SC2.4
58Medical University of South Carolina Charleston， SC2.3
58Oregon State University Corvallis， OR2.3
58University of California--Riverside Riverside， CA2.3
58University of Virginia Charlottesville， VA2.3
62Kansas State University Manhattan， KS2.2
62Temple University (Fox) Philadelphia， PA2.2
64Baylor University Waco， TX2.1
64University at Buffalo--SUNY Buffalo， NY2.1
64University of Kentucky Lexington， KY2.1
67Case Western Reserve University Cleveland， OH2.0
67Oklahoma State University Stillwater， OK2.0
67Virginia Commonwealth University Richmond， VA2.0
