1CaliforniaInstituteofTechnology加州理工学院2MassachusettsInstituteofTechnology麻省理工学院3StanfordUn
1UniversityofArizonaTucson,AZ UniversityofMichigan--AnnArborAnnArbor,MI3PennsylvaniaS
1CaliforniaInstituteofTechnologyPasadena,CA2MassachusettsInstituteofTechnologyCambridge,MA
1CaliforniaInstituteofTechnologyPasadena,CA1MassachusettsInstituteofTechnologyCambridge,MA
1HarvardUniversityBoston,MA2StanfordUniversityStanford,CA3UniversityofCalifornia--SanFranc
1HarvardUniversityBoston,MA2MassachusettsInstituteofTechnologyCambridge,MA StanfordUn
1HarvardUniversityBoston,MA2StanfordUniversityStanford,CA3UniversityofWisconsin--MadisonMa
1HarvardUniversityBoston,MA2UniversityofCalifornia--SanFranciscoSanFrancisco,CA3StanfordUn
1StanfordUniversityStanford,CA2MassachusettsInstituteofTechnologyCambridge,MA3HarvardUnive
1UniversityofCalifornia--BerkeleyBerkeley,CA2HarvardUniversityBoston,MA3UniversityofCalifo
