| ES |
Madrid |
Institute of Fiscal Studies |
Instituto De Estudios Fiscales |
| ES |
Madrid |
Institute of Health Carlos III |
Instituto de Salud Carlos III |
| ES |
Madrid |
National University of Distance Education |
Universidad Nacional de Educación a Distancia |
| ES |
Madrid |
Transport Research Centre |
Centro de Investigación del Transporte |
| ES |
Madrid |
University Autonoma of Madrid |
Universidad Autonoma de Madrid |
| ES |
Madrid |
Comillas Pontifical University |
Universidad Pontificia Comillas |
| US |
Madison |
University of Wisconsin-Madison |
University of Wisconsin-Madison |
| IT |
Macerata |
University of Macerata |
Università degli Studi di Macerata |
| NL |
Maastricht |
Maastricht University |
Universiteit Maastricht |
| NL |
Maastricht |
UNU-MERIT |
UNU-MERIT |